/**
 * Walonium Hook & Loop Requirement Calculator
 * Phase 2A — Design Foundation
 * Scope: #main-content (calculator page sections only)
 */

/* ==========================================================================
   1. Design tokens
   ========================================================================== */

#main-content {
  --calc-color-primary: #174b71;
  --calc-color-primary-dark: #123a58;
  --calc-color-primary-soft: rgba(23, 75, 113, 0.08);
  --calc-color-accent: #f37f0c;
  --calc-color-accent-soft: rgba(243, 127, 12, 0.12);

  --calc-color-text: #1f1f1f;
  --calc-color-text-secondary: #434b57;
  --calc-color-text-muted: #525252;
  --calc-color-text-inverse: #ffffff;

  --calc-color-surface: #ffffff;
  --calc-color-surface-soft: #fafafa;
  --calc-color-surface-muted: #f4f6f8;
  --calc-color-surface-elevated: #ffffff;

  --calc-color-border: rgba(23, 75, 113, 0.1);
  --calc-color-border-strong: rgba(23, 75, 113, 0.16);
  --calc-color-divider: rgba(23, 75, 113, 0.08);

  --calc-color-success: #1a7f4b;
  --calc-color-success-soft: rgba(26, 127, 75, 0.1);
  --calc-color-warning: #b45309;
  --calc-color-warning-soft: rgba(180, 83, 9, 0.1);
  --calc-color-error: #b42318;
  --calc-color-error-soft: rgba(180, 35, 24, 0.08);

  --calc-font-family: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --calc-text-hero: clamp(2rem, 1.5rem + 2.5vw, 3.25rem);
  --calc-text-section: clamp(1.5rem, 1.25rem + 1vw, 2rem);
  --calc-text-card: clamp(1.0625rem, 1rem + 0.25vw, 1.25rem);
  --calc-text-body: clamp(0.9375rem, 0.9rem + 0.15vw, 1.0625rem);
  --calc-text-small: clamp(0.8125rem, 0.8rem + 0.1vw, 0.875rem);
  --calc-text-caption: 0.75rem;
  --calc-text-kpi: clamp(2rem, 1.5rem + 2vw, 2.75rem);

  --calc-lh-tight: 1.15;
  --calc-lh-heading: 1.25;
  --calc-lh-body: 1.6;
  --calc-lh-small: 1.5;

  --calc-weight-regular: 400;
  --calc-weight-medium: 500;
  --calc-weight-semibold: 600;
  --calc-weight-bold: 700;

  --calc-space-1: 0.25rem;
  --calc-space-2: 0.5rem;
  --calc-space-3: 0.75rem;
  --calc-space-4: 1rem;
  --calc-space-5: 1.5rem;
  --calc-space-6: 2rem;
  --calc-space-7: 2.5rem;
  --calc-space-8: 3rem;
  --calc-space-9: 4rem;
  --calc-space-10: 5rem;
  --calc-space-11: 6rem;

  --calc-container-reading: 42rem;
  --calc-container-narrow: 36rem;
  --calc-gutter: clamp(1rem, 0.5rem + 2vw, 2rem);

  --calc-radius-xs: 0.375rem;
  --calc-radius-sm: 0.5rem;
  --calc-radius-md: 0.75rem;
  --calc-radius-lg: 1rem;
  --calc-radius-xl: 1.25rem;
  --calc-radius-2xl: 1.5rem;
  --calc-radius-full: 9999px;

  --calc-shadow-xs: 0 1px 2px rgba(23, 75, 113, 0.04);
  --calc-shadow-sm: 0 2px 8px rgba(23, 75, 113, 0.06);
  --calc-shadow-md: 0 8px 24px rgba(23, 75, 113, 0.08);
  --calc-shadow-lg: 0 16px 40px rgba(23, 75, 113, 0.1);
  --calc-shadow-glow: 0 0 0 1px rgba(23, 75, 113, 0.06), 0 12px 32px rgba(23, 75, 113, 0.12);

  --calc-transition-fast: 150ms ease;
  --calc-transition-base: 220ms ease;
  --calc-transition-slow: 320ms ease;

  --calc-focus-ring: 2px solid var(--calc-color-primary);
  --calc-focus-offset: 2px;

  --calc-touch-min: 2.75rem;

  --calc-sticky-top: calc(var(--mph-header-block-h) + var(--mph-gap-divider));

  color: var(--calc-color-text);
  font-family: var(--calc-font-family);
  font-size: var(--calc-text-body);
  line-height: var(--calc-lh-body);
}

@media (prefers-color-scheme: dark) {
  #main-content.calc-theme-ready {
    --calc-color-text: #f5f7fa;
    --calc-color-text-secondary: #c5cdd8;
    --calc-color-text-muted: #9aa5b5;
    --calc-color-surface: #141a22;
    --calc-color-surface-soft: #10161d;
    --calc-color-surface-muted: #1a222c;
    --calc-color-surface-elevated: #1c2530;
    --calc-color-border: rgba(255, 255, 255, 0.1);
    --calc-color-border-strong: rgba(255, 255, 255, 0.16);
    --calc-color-divider: rgba(255, 255, 255, 0.08);
  }
}

/* ==========================================================================
   2. Shared containers & section rhythm
   ========================================================================== */

.calc-benefits__container,
.calc-results__container,
.calc-breakdown__container,
.calc-rfq__container,
.calc-faq__container,
.calc-cta__container {
  width: 100%;
  max-width: var(--mph-content-max, var(--desktop-content-max));
  margin-inline: auto;
}

.calc-benefits,
.calc-workspace-band,
.calc-results,
.calc-breakdown,
.calc-rfq,
.calc-faq,
.calc-cta {
  padding-block: var(--section-padding-y);
  padding-inline: var(--section-padding-x);
}

.calc-results,
.calc-rfq,
.calc-cta {
  background: var(--calc-color-surface-soft);
}

.calc-breakdown,
.calc-faq {
  background: var(--calc-color-surface);
}

.calc-benefits {
  position: relative;
  background: var(--calc-color-surface-soft);
  margin-block-start: 0;
  padding-block: var(--section-padding-y);
}

section.kc-hero.calc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--calc-color-surface);
}

.calc-workspace-band {
  display: grid;
  gap: var(--calc-space-4);
}

/* ==========================================================================
   3. Typography foundations
   ========================================================================== */

#main-content h1,
#main-content h2,
#main-content h3 {
  margin: 0;
  color: var(--calc-color-text);
  font-weight: var(--calc-weight-bold);
  line-height: var(--calc-lh-heading);
  letter-spacing: -0.02em;
}

.calc-hero__headline {
  font-size: var(--calc-text-hero);
  line-height: 1.08;
  max-width: 22ch;
  letter-spacing: -0.03em;
}

.calc-benefits__title,
.calc-workspace__title,
.calc-summary__title,
.calc-results__title,
.calc-breakdown__title,
.calc-rfq__title,
.calc-faq__title,
.calc-cta__title {
  font-size: var(--calc-text-section);
  margin-block-end: var(--calc-space-4);
}

.calc-benefit-card__title,
.calc-kpi__label {
  font-size: var(--calc-text-card);
  font-weight: var(--calc-weight-semibold);
}

.calc-cta__description {
  margin: 0 0 var(--stack-body-action, var(--calc-space-5));
  max-width: 48ch;
  color: var(--calc-color-text-secondary);
  font-size: var(--calc-text-body);
  line-height: var(--calc-lh-body);
}

/* ==========================================================================
   4. Grid utilities
   ========================================================================== */

.calc-grid {
  display: grid;
  gap: var(--calc-space-5);
}

.calc-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.calc-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.calc-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.calc-hero__grid {
  display: grid;
  gap: var(--mph-gap-hero-grid, var(--calc-space-7));
  align-items: start;
}

.calc-benefits__grid,
.calc-results__grid {
  display: grid;
  gap: var(--calc-space-5);
  grid-template-columns: 1fr;
}

/* ==========================================================================
   5. Card system (shared language)
   ========================================================================== */

.calc-card {
  background: var(--calc-color-surface-elevated);
  border: 1px solid var(--calc-color-border);
  border-radius: var(--calc-radius-xl);
  box-shadow: var(--calc-shadow-sm);
}

.calc-card--premium {
  box-shadow: var(--calc-shadow-glow);
}

.calc-card--glass {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
  border-color: rgba(255, 255, 255, 0.4);
}

.calc-workspace__container,
.calc-summary__container,
.calc-kpi,
.calc-breakdown__details,
.calc-faq__item,
.calc-rfq__card,
.calc-cta__container {
  background: var(--calc-color-surface-elevated);
  border: 1px solid var(--calc-color-border);
  border-radius: var(--calc-radius-xl);
  box-shadow: var(--calc-shadow-sm);
}

.calc-benefit-card {
  background: var(--calc-color-surface);
  border: 1px solid rgba(23, 75, 113, 0.04);
  border-radius: var(--calc-radius-xl);
  box-shadow: none;
}

.calc-kpi {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-block-size: 9.5rem;
  padding: var(--calc-space-6);
  overflow: hidden;
  transition:
    transform var(--calc-duration-fast) var(--calc-ease-out),
    box-shadow var(--calc-duration-base) var(--calc-ease-out),
    border-color var(--calc-duration-fast) var(--calc-ease-out);
}

.calc-kpi::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline: 0;
  block-size: 3px;
  background: linear-gradient(90deg, var(--calc-color-primary), var(--calc-color-accent));
  opacity: 0.85;
}

.calc-kpi:hover {
  transform: translateY(-3px);
  box-shadow: var(--calc-shadow-lg);
  border-color: var(--calc-color-border-strong);
}

@media (prefers-reduced-motion: reduce) {
  #main-content .calc-benefit-card:hover,
  #main-content .calc-kpi:hover {
    transform: none;
  }
}

.calc-workspace__container,
.calc-summary__container,
.calc-rfq__card,
.calc-cta__container {
  padding: var(--calc-space-7);
}

/* Benefit card base — Phase 2B overrides in section 13 */

.calc-benefit-card__title {
  margin-block-end: 0;
}

.calc-benefit-card__description {
  margin: 0;
  color: var(--calc-color-text-secondary);
  font-size: var(--calc-text-small);
}

/* ==========================================================================
   6. Utility surfaces
   ========================================================================== */

.calc-u-gradient-soft {
  background:
    radial-gradient(circle at 100% 0%, var(--calc-color-accent-soft), transparent 45%),
    linear-gradient(180deg, var(--calc-color-surface) 0%, var(--calc-color-surface-soft) 100%);
}

.calc-u-glass {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.calc-u-divider {
  border: 0;
  border-block-start: 1px solid var(--calc-color-divider);
  margin-block: var(--calc-space-6);
}

.calc-u-sticky {
  position: sticky;
  top: var(--calc-sticky-top);
  align-self: start;
}

/* Semantic fieldset without altering #calc-form grid item flow */
.calc-form__fieldset {
  display: contents;
  margin: 0;
  padding: 0;
  border: 0;
  min-inline-size: 0;
}

.calc-u-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.calc-u-empty::before {
  content: "—";
  color: var(--calc-color-text-muted);
}

/* ==========================================================================
   7. Buttons
   ========================================================================== */

.calc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--calc-space-2);
  min-block-size: var(--calc-touch-min);
  padding-inline: var(--calc-space-6);
  border: 1px solid transparent;
  border-radius: var(--calc-radius-md);
  font-family: inherit;
  font-size: var(--calc-text-body);
  font-weight: var(--calc-weight-semibold);
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--calc-transition-base),
    border-color var(--calc-transition-base),
    color var(--calc-transition-base),
    box-shadow var(--calc-transition-base),
    transform var(--calc-transition-fast);
}

.calc-hero__cta,
.calc-form__button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--calc-space-2);
  min-block-size: var(--calc-touch-min);
  padding-inline: var(--calc-space-6);
  border: 1px solid transparent;
  border-radius: var(--calc-radius-md);
  font-family: inherit;
  font-size: var(--calc-text-body);
  font-weight: var(--calc-weight-semibold);
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--calc-transition-base),
    border-color var(--calc-transition-base),
    color var(--calc-transition-base),
    box-shadow var(--calc-transition-base),
    transform var(--calc-transition-fast);
}

.calc-hero__cta--primary,
.calc-form__button--primary,
.calc-btn--primary {
  background: var(--calc-color-primary);
  border-color: var(--calc-color-primary);
  color: var(--calc-color-text-inverse);
}

.calc-hero__cta--primary:hover,
.calc-form__button--primary:hover,
.calc-btn--primary:hover {
  background: var(--calc-color-primary-dark);
  border-color: var(--calc-color-primary-dark);
  box-shadow: var(--calc-shadow-md);
}

.calc-hero__cta--secondary,
.calc-form__button--secondary,
.calc-btn--secondary {
  background: transparent;
  border-color: var(--calc-color-border-strong);
  color: var(--calc-color-primary);
}

.calc-hero__cta--secondary:hover,
.calc-form__button--secondary:hover,
.calc-btn--secondary:hover {
  border-color: var(--calc-color-primary);
  background: var(--calc-color-primary-soft);
}

.calc-btn--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--calc-color-primary);
}

.calc-btn--ghost:hover {
  background: var(--calc-color-primary-soft);
}

.calc-btn:disabled,
.calc-form__button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.calc-btn--loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.calc-btn--loading::after {
  content: "";
  position: absolute;
  inset-inline: calc(50% - 0.625rem);
  inset-block-start: calc(50% - 0.625rem);
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid currentColor;
  border-inline-end-color: transparent;
  border-radius: 50%;
  color: var(--calc-color-text-inverse);
  animation: calc-spin 0.7s linear infinite;
}

.calc-form__button.is-loading {
  pointer-events: none;
  opacity: 1;
}

.calc-form__button.is-loading:disabled {
  opacity: 1;
}

.calc-form__button.is-loading .calc-form__button-label {
  opacity: 0;
}

.calc-form__button.is-loading::after {
  content: "";
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  inline-size: 1.125rem;
  block-size: 1.125rem;
  border: 2px solid currentColor;
  border-inline-end-color: transparent;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: calc-spin 0.7s linear infinite;
}

.calc-form__button--primary:not(:disabled):active,
.calc-form__button--secondary:not(:disabled):active {
  transform: translateY(1px);
}

.calc-hero__actions,
.calc-form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--mph-gap-cta-stack, var(--calc-space-3));
}

.calc-form__actions {
  margin-block-start: var(--calc-space-6);
}

/* ==========================================================================
   8. Form foundations
   ========================================================================== */

.calc-form {
  display: grid;
  gap: var(--calc-space-5);
}

.calc-form__field {
  display: grid;
  gap: var(--calc-space-2);
}

.calc-form__label {
  font-size: var(--calc-text-small);
  font-weight: var(--calc-weight-semibold);
  color: var(--calc-color-text);
}

.calc-form__description {
  font-size: var(--calc-text-small);
  color: var(--calc-color-text-muted);
}

.calc-form__input,
.calc-form__select {
  width: 100%;
  min-block-size: var(--calc-touch-min);
  padding-inline: var(--calc-space-4);
  border: 1px solid var(--calc-color-border-strong);
  border-radius: var(--calc-radius-md);
  background: var(--calc-color-surface);
  color: var(--calc-color-text);
  font-family: inherit;
  font-size: var(--calc-text-body);
  transition:
    border-color var(--calc-transition-fast),
    box-shadow var(--calc-transition-fast),
    background-color var(--calc-transition-fast);
}

.calc-form__input::placeholder {
  color: var(--calc-color-text-muted);
}

.calc-form__input:hover,
.calc-form__select:hover {
  border-color: var(--calc-color-primary);
}

.calc-form__field--error .calc-form__input,
.calc-form__field--error .calc-form__select {
  border-color: var(--calc-color-error);
  background: var(--calc-color-error-soft);
}

.calc-form__field--success .calc-form__input,
.calc-form__field--success .calc-form__select {
  border-color: var(--calc-color-success);
  background: var(--calc-color-success-soft);
}

.calc-form__error {
  font-size: var(--calc-text-small);
  color: var(--calc-color-error);
}

.calc-form__field--disabled .calc-form__input,
.calc-form__field--disabled .calc-form__select {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--calc-color-surface-muted);
}

/* ==========================================================================
   10. Phase 3A — Calculator Workspace & Live Summary
   ========================================================================== */

.calc-workspace-band {
  background: var(--calc-color-surface);
  border: none;
  border-radius: 0;
  margin-block: 0;
  padding-block: var(--section-padding-y);
  gap: var(--calc-space-4);
}

.calc-workspace__container,
.calc-summary__container {
  padding: var(--calc-space-6);
  background: var(--calc-color-surface-soft);
  border: 1px solid rgba(23, 75, 113, 0.035);
  border-radius: var(--calc-radius-lg);
  box-shadow: none;
}

.calc-workspace__header {
  margin-block-end: var(--calc-space-6);
}

.calc-workspace__eyebrow,
.calc-summary__eyebrow {
  margin: 0 0 var(--calc-space-2);
  font-size: var(--calc-text-caption);
  font-weight: var(--calc-weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--calc-color-primary);
}

.calc-workspace__description {
  margin: var(--calc-space-4) 0 0;
  max-width: 46ch;
  color: color-mix(in srgb, var(--calc-color-text-secondary) 90%, var(--calc-color-text-muted));
  font-size: var(--calc-text-body);
  line-height: 1.65;
}

.calc-workspace__title,
.calc-summary__title {
  margin-block-end: 0;
  letter-spacing: -0.028em;
  line-height: 1.14;
}

.calc-summary__header {
  margin-block-end: var(--calc-space-6);
  padding-block-end: 0;
  border-block-end: none;
}

/* Input cards */

.calc-input-card {
  padding: var(--calc-space-4) var(--calc-space-5);
  border: 1px solid rgba(23, 75, 113, 0.06);
  border-radius: var(--calc-radius-lg);
  background: var(--calc-color-surface-soft);
  box-shadow: none;
  transition:
    border-color var(--calc-duration-fast, 180ms) var(--calc-ease-out, ease),
    background-color var(--calc-duration-base, 220ms) var(--calc-ease-out, ease);
}

.calc-input-card:hover {
  border-color: rgba(23, 75, 113, 0.09);
  box-shadow: none;
}

.calc-input-card--disabled {
  opacity: 0.72;
  background: var(--calc-color-surface-muted);
  box-shadow: none;
}

.calc-input-card--disabled:hover {
  transform: none;
  box-shadow: none;
}

.calc-form__field-head {
  display: flex;
  align-items: flex-start;
  gap: var(--calc-space-3);
  margin-block-end: var(--calc-space-3);
}

.calc-form__field-copy {
  display: grid;
  gap: var(--calc-space-1);
  flex: 1;
}

.calc-form__icon {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  margin-block-start: 0.125rem;
  border: 1px solid var(--calc-color-border);
  border-radius: var(--calc-radius-sm);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.95), var(--calc-color-surface-muted));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.calc-form__icon::after {
  content: "";
  display: block;
  width: 0.875rem;
  height: 0.875rem;
  margin: 0.6875rem;
  border-radius: var(--calc-radius-xs);
  background: var(--calc-color-primary-soft);
}

/* Control wrappers */

.calc-form__control {
  position: relative;
  display: flex;
  align-items: stretch;
}

.calc-form__control .calc-form__select,
.calc-form__control .calc-form__input {
  border: 1px solid var(--calc-color-border-strong);
  border-radius: var(--calc-radius-md);
  background: var(--calc-color-surface);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.calc-form__control:focus-within .calc-form__select,
.calc-form__control:focus-within .calc-form__input {
  border-color: var(--calc-color-primary);
  box-shadow:
    0 0 0 3px var(--calc-color-primary-soft),
    inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.calc-form__control--search .calc-form__select {
  min-block-size: 3.25rem;
  padding-inline: var(--calc-space-5) var(--calc-space-8);
  font-size: var(--calc-text-body);
  font-weight: var(--calc-weight-medium);
  appearance: none;
  cursor: pointer;
}

.calc-form__control--search::before {
  content: "";
  position: absolute;
  inset-block: 50%;
  inset-inline-start: var(--calc-space-4);
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--calc-color-text-muted);
  border-radius: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  opacity: 0.55;
}

.calc-form__control--search::after {
  content: "";
  position: absolute;
  inset-block-start: calc(50% + 0.3rem);
  inset-inline-start: calc(var(--calc-space-4) + 0.7rem);
  width: 0.45rem;
  height: 2px;
  background: var(--calc-color-text-muted);
  transform: rotate(45deg);
  pointer-events: none;
  opacity: 0.55;
}

.calc-form__control--search .calc-form__select {
  padding-inline-start: calc(var(--calc-space-5) + 1.5rem);
}

.calc-form__chevron {
  position: absolute;
  inset-block: 50%;
  inset-inline-end: var(--calc-space-4);
  width: 0.5rem;
  height: 0.5rem;
  border-inline-end: 2px solid var(--calc-color-text-muted);
  border-block-end: 2px solid var(--calc-color-text-muted);
  transform: translateY(-65%) rotate(45deg);
  pointer-events: none;
}

.calc-form__control .calc-form__select {
  width: 100%;
  padding-inline-end: var(--calc-space-8);
  appearance: none;
  cursor: pointer;
}

.calc-form__control--suffix .calc-form__input {
  flex: 1;
  min-inline-size: 0;
  padding-inline-end: 5.5rem;
}

.calc-form__suffix {
  position: absolute;
  inset-block: 0;
  inset-inline-end: 0;
  display: inline-flex;
  align-items: center;
  padding-inline: var(--calc-space-4);
  border-inline-start: 1px solid var(--calc-color-divider);
  background: var(--calc-color-surface-muted);
  border-radius: 0 var(--calc-radius-md) var(--calc-radius-md) 0;
  font-size: var(--calc-text-small);
  font-weight: var(--calc-weight-semibold);
  color: var(--calc-color-text-muted);
  letter-spacing: 0.02em;
}

/* Action bar */

.calc-form__action-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--calc-space-3);
  margin-block-start: var(--calc-space-6);
  padding-block-start: var(--calc-space-5);
  border-block-start: 1px solid color-mix(in srgb, var(--calc-color-divider) 40%, transparent);
}

.calc-form__action-bar .calc-form__button {
  width: 100%;
  min-block-size: 3.25rem;
  font-size: var(--calc-text-body);
}

.calc-form__action-bar .calc-form__button--primary {
  box-shadow: none;
}

.calc-form__action-bar .calc-form__button--primary:hover {
  box-shadow: none;
  transform: none;
}

/* Summary enhancements */

.calc-summary__section {
  display: grid;
  gap: var(--calc-space-2);
  padding-block-start: var(--calc-space-3);
}

.calc-summary__section-title {
  margin: 0 0 var(--calc-space-3);
  font-size: var(--calc-text-caption);
  font-weight: var(--calc-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--calc-color-primary) 55%, var(--calc-color-text-muted));
}

.calc-summary__divider {
  block-size: 1px;
  margin-block: var(--calc-space-4);
  background: color-mix(in srgb, var(--calc-color-divider) 40%, transparent);
}

.calc-summary__value--estimate {
  color: var(--calc-color-primary);
  font-variant-numeric: tabular-nums;
  transition: background-color var(--calc-duration-base) var(--calc-ease-out);
}

.calc-summary__section--estimates .calc-summary__row:last-child {
  padding-block-end: 0;
  border-block-end: 0;
}

.calc-form__input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

.calc-form__input[type="number"]::-webkit-inner-spin-button,
.calc-form__input[type="number"]::-webkit-outer-spin-button {
  margin: 0;
  appearance: none;
}

/* ==========================================================================
   9. Summary, KPI, breakdown, FAQ, RFQ, CTA foundations
   ========================================================================== */

.calc-summary__list {
  display: grid;
  gap: 0;
  margin: 0;
}

.calc-summary__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: var(--calc-space-4);
  padding-block: var(--calc-space-2);
  border-block-end: 1px solid color-mix(in srgb, var(--calc-color-divider) 30%, transparent);
}

.calc-summary__row:last-child {
  padding-block-end: 0;
  border-block-end: 0;
}

.calc-summary__label {
  margin: 0;
  font-size: var(--calc-text-small);
  font-weight: var(--calc-weight-medium);
  color: var(--calc-color-text-muted);
}

.calc-summary__value {
  margin: 0;
  font-size: var(--calc-text-body);
  font-weight: var(--calc-weight-semibold);
  color: var(--calc-color-text);
  text-align: end;
}

.calc-summary__value:empty::before {
  content: "—";
  color: var(--calc-color-text-muted);
  font-weight: var(--calc-weight-regular);
}

.calc-kpi__value {
  margin: var(--calc-space-4) 0 0;
  font-size: var(--calc-text-kpi);
  font-weight: var(--calc-weight-bold);
  line-height: var(--calc-lh-tight);
  color: var(--calc-color-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.calc-kpi__value:empty::before {
  content: "—";
  color: var(--calc-color-text-muted);
  font-size: var(--calc-text-section);
}

.calc-breakdown__details,
.calc-faq__item {
  overflow: hidden;
}

.calc-breakdown__summary,
.calc-faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--calc-space-4);
  min-block-size: var(--calc-touch-min);
  padding: var(--calc-space-5) var(--calc-space-6);
  font-weight: var(--calc-weight-semibold);
  color: var(--calc-color-text);
  cursor: pointer;
  list-style: none;
}

.calc-breakdown__summary::-webkit-details-marker,
.calc-faq__question::-webkit-details-marker {
  display: none;
}

.calc-breakdown__panel,
.calc-faq__answer {
  padding: 0 var(--calc-space-6) var(--calc-space-6);
  color: var(--calc-color-text-secondary);
}

.calc-faq__list {
  display: grid;
  gap: var(--calc-space-4);
}

.calc-rfq__review:empty::before {
  content: "";
  display: block;
  min-block-size: 8rem;
  border: 1px dashed var(--calc-color-border);
  border-radius: var(--calc-radius-md);
  background: var(--calc-color-surface-muted);
}

.calc-cta {
  background: var(--calc-color-surface-soft);
}

.calc-cta__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: var(--calc-touch-min);
  margin-block-start: var(--calc-space-5);
  padding-inline: var(--calc-space-6);
  border-radius: var(--calc-radius-md);
  background: var(--calc-color-primary);
  color: var(--calc-color-text-inverse);
  font-weight: var(--calc-weight-semibold);
  text-decoration: none;
  transition:
    background-color var(--calc-transition-base),
    box-shadow var(--calc-transition-base),
    transform var(--calc-transition-fast);
}

.calc-cta__link:hover {
  background: var(--calc-color-primary-dark);
  box-shadow: var(--calc-shadow-md);
  transform: translateY(-1px);
}

.calc-cta__link:focus-visible {
  outline: var(--calc-focus-ring);
  outline-offset: var(--calc-focus-offset);
  box-shadow: var(--calc-shadow-sm);
}

/* ==========================================================================
   13. Phase 2B — Hero & Benefits
   ========================================================================== */

/* --- Hero backdrop --- */

.kc-hero__container {
  position: relative;
  z-index: 1;
}

.calc-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.calc-hero__backdrop-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(64px);
  opacity: 0.55;
}

.calc-hero__backdrop-orb--primary {
  width: clamp(16rem, 30vw, 28rem);
  height: clamp(16rem, 30vw, 28rem);
  inset-block-start: -8%;
  inset-inline-end: 8%;
  background: radial-gradient(circle, var(--calc-color-primary-soft) 0%, transparent 70%);
  animation: calc-backdrop-drift 18s var(--calc-ease-in-out) infinite alternate;
}

.calc-hero__backdrop-orb--accent {
  width: clamp(10rem, 18vw, 18rem);
  height: clamp(10rem, 18vw, 18rem);
  inset-block-end: 10%;
  inset-inline-start: -4%;
  background: radial-gradient(circle, var(--calc-color-accent-soft) 0%, transparent 72%);
  animation: calc-backdrop-drift 22s var(--calc-ease-in-out) infinite alternate-reverse;
}

.calc-hero__backdrop-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--calc-color-divider) 1px, transparent 1px),
    linear-gradient(90deg, var(--calc-color-divider) 1px, transparent 1px);
  background-size: 3rem 3rem;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, black 20%, transparent 75%);
  opacity: 0.65;
}

/* --- Hero content --- */

.calc-hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  text-align: left;
  width: 100%;
  gap: 0;
}

.calc-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--calc-space-2);
  width: fit-content;
  margin: 0;
  padding: var(--calc-space-2) var(--calc-space-4);
  border: 1px solid var(--calc-color-border);
  border-radius: var(--calc-radius-full);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
  font-size: var(--calc-text-caption);
  font-weight: var(--calc-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--calc-color-primary);
}

.calc-hero__badge-dot {
  width: 0.4375rem;
  height: 0.4375rem;
  border-radius: 50%;
  background: var(--calc-color-accent);
  box-shadow: 0 0 0 3px var(--calc-color-accent-soft);
}

.calc-hero__badge-text {
  line-height: 1;
}

.calc-hero__context {
  margin: 0 0 var(--calc-space-3);
  max-width: min(42ch, var(--desktop-measure-hero-deck, 42ch));
  font-size: var(--text-body-m, 1rem);
  font-weight: var(--font-semibold, 600);
  line-height: var(--lh-body, 1.5);
  color: var(--secondary, #174b71);
}

.calc-hero__headline {
  max-width: 22ch;
  margin-block: 0;
  text-align: left;
  text-wrap: balance;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.calc-hero__description {
  max-width: 42ch;
  margin-block: 0;
  text-align: left;
}

.calc-hero__divider {
  display: none;
}

.calc-hero__cta-text {
  display: inline-block;
}

.calc-hero__actions {
  justify-content: flex-start;
  align-items: stretch;
  width: 100%;
  margin-block-start: 0;
  margin-block-end: 0;
}

.calc-hero__actions .calc-hero__cta {
  flex: 0 1 auto;
  min-inline-size: 10rem;
  align-self: stretch;
}

/* --- Hero trust strip --- */

.calc-hero__trust {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  width: 100%;
  justify-items: stretch;
  border: 1px solid color-mix(in srgb, var(--calc-color-border) 80%, transparent);
  border-radius: var(--calc-radius-lg);
  background: var(--calc-color-surface);
  overflow: hidden;
}

.calc-hero__trust-item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  align-items: center;
  gap: var(--calc-space-3);
  min-block-size: var(--calc-touch-min);
  height: 100%;
  padding: var(--calc-space-4);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transition: background-color var(--calc-transition-fast);
}

@media (hover: hover) {
  #main-content .calc-hero__trust-item:hover {
    background: color-mix(in srgb, var(--calc-color-primary-soft) 55%, transparent);
  }
}

.calc-hero__trust-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  margin-block-start: -0.0625rem;
  border-radius: var(--calc-radius-sm);
  border: 1px solid color-mix(in srgb, var(--calc-color-border) 70%, transparent);
  background: var(--calc-color-accent-soft);
  color: var(--calc-color-accent);
}

.calc-hero__trust-icon .wal-icon {
  display: block;
  width: 0.875rem;
  height: 0.875rem;
  fill: currentColor;
}

.calc-hero__trust-label {
  font-size: var(--calc-text-small);
  font-weight: var(--calc-weight-semibold);
  color: var(--calc-color-text-secondary);
  letter-spacing: 0.005em;
  line-height: var(--calc-lh-small);
}

/* --- Hero illustration (CSS composition) --- */

.calc-hero__illustration {
  position: relative;
  min-block-size: clamp(18rem, 14rem + 14vw, 28rem);
}

.calc-hero__illustration-stage {
  position: relative;
  width: 100%;
  height: 100%;
  min-block-size: inherit;
  border-radius: var(--calc-radius-2xl);
  border: 1px solid var(--calc-color-border);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.45) 100%),
    var(--calc-color-surface-muted);
  box-shadow: var(--calc-shadow-glow);
  overflow: hidden;
}

.calc-hero__illustration-glow {
  position: absolute;
  inset: 12% 8% auto;
  block-size: 55%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--calc-color-primary-soft) 0%, transparent 68%);
  filter: blur(24px);
  opacity: 0.9;
}

.calc-hero__illustration-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(23, 75, 113, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 75, 113, 0.05) 1px, transparent 1px);
  background-size: 2.5rem 2.5rem;
  mask-image: linear-gradient(180deg, black 30%, transparent 95%);
}

.calc-hero__geometry {
  position: absolute;
  pointer-events: none;
}

.calc-hero__geometry--ring {
  width: clamp(8rem, 40%, 12rem);
  height: clamp(8rem, 40%, 12rem);
  inset-block-start: 18%;
  inset-inline-start: 14%;
  border: 1px solid var(--calc-color-border-strong);
  border-radius: 50%;
  opacity: 0.7;
}

.calc-hero__geometry--ring::before {
  content: "";
  position: absolute;
  inset: 18%;
  border: 1px dashed var(--calc-color-divider);
  border-radius: 50%;
}

.calc-hero__geometry--axis {
  width: 60%;
  height: 1px;
  inset-block-start: 52%;
  inset-inline-start: 20%;
  background: linear-gradient(90deg, transparent, var(--calc-color-border-strong), transparent);
  transform: rotate(-8deg);
}

.calc-hero__geometry--axis::after {
  content: "";
  position: absolute;
  width: 1px;
  height: 4rem;
  inset-block-start: -2rem;
  inset-inline-start: 62%;
  background: linear-gradient(180deg, transparent, var(--calc-color-border-strong), transparent);
  transform: rotate(12deg);
}

.calc-hero__float-card {
  position: absolute;
  display: grid;
  gap: var(--calc-space-2);
  padding: var(--calc-space-4);
  border: 1px solid var(--calc-color-border);
  border-radius: var(--calc-radius-lg);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  box-shadow: var(--calc-shadow-md);
}

.calc-hero__float-card--spec {
  inset-block-start: 12%;
  inset-inline-end: 8%;
  min-inline-size: 9rem;
}

.calc-hero__float-card--metric {
  inset-block-end: 14%;
  inset-inline-start: 10%;
  min-inline-size: 10rem;
}

.calc-hero__float-card-label {
  font-size: var(--calc-text-caption);
  font-weight: var(--calc-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--calc-color-text-muted);
}

.calc-hero__float-card-value {
  font-size: var(--calc-text-card);
  font-weight: var(--calc-weight-bold);
  color: var(--calc-color-primary);
  font-variant-numeric: tabular-nums;
}

.calc-hero__float-card-bar {
  display: block;
  block-size: 0.375rem;
  border-radius: var(--calc-radius-full);
  background: var(--calc-color-surface-muted);
  overflow: hidden;
}

.calc-hero__float-card-bar::after {
  content: "";
  display: block;
  width: 68%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--calc-color-primary), var(--calc-color-accent));
}

/* --- Hero scroll indicator --- */

.calc-hero__scroll {
  display: flex;
  justify-content: center;
  margin-block-start: var(--calc-space-8);
  text-decoration: none;
}

.calc-hero__scroll-line {
  display: block;
  width: 1px;
  block-size: 2.5rem;
  background: linear-gradient(180deg, var(--calc-color-border-strong), transparent);
  position: relative;
}

.calc-hero__scroll-line::after {
  content: "";
  position: absolute;
  inset-inline-start: -3px;
  inset-block-start: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--calc-color-primary);
  box-shadow: 0 0 0 4px var(--calc-color-primary-soft);
}

/* --- Benefits section --- */

.calc-benefits__transition {
  display: none;
}

.calc-benefits__header {
  margin-block-end: var(--calc-space-5);
  text-align: start;
  max-width: none;
}

.calc-benefits__eyebrow {
  margin: 0 0 var(--calc-space-2);
  font-size: var(--calc-text-caption);
  font-weight: var(--calc-weight-semibold);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--calc-color-primary) 94%, var(--calc-color-text));
}

.calc-benefits__title {
  margin-block-end: var(--calc-space-5);
  max-width: 25ch;
  margin-inline: 0;
  font-weight: var(--calc-weight-bold);
  letter-spacing: -0.031em;
  line-height: 1.13;
  color: var(--calc-color-text);
}

.calc-benefits__grid {
  align-items: stretch;
  gap: var(--calc-space-2);
}

/* --- Benefit cards --- */

.calc-benefit-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  min-block-size: 100%;
  height: 100%;
  padding: var(--calc-space-4) var(--calc-space-4) var(--calc-space-3);
  overflow: hidden;
  background: var(--calc-color-surface);
  border-color: rgba(23, 75, 113, 0.04);
  box-shadow: none;
  transition:
    border-color var(--calc-duration-fast) var(--calc-ease-out),
    background-color var(--calc-duration-base) var(--calc-ease-out);
}

.calc-benefit-card::before {
  display: none;
}

.calc-benefit-card:hover {
  border-color: rgba(23, 75, 113, 0.07);
  background: var(--calc-color-surface);
}

.calc-benefit-card:hover .calc-benefit-card__icon {
  border-color: color-mix(in srgb, var(--calc-color-accent) 18%, transparent);
}

.calc-benefit-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  margin-block-end: var(--calc-space-3);
  border-radius: var(--calc-radius-sm);
  border: 1px solid color-mix(in srgb, var(--calc-color-accent) 10%, transparent);
  background: color-mix(in srgb, var(--calc-color-accent-soft) 65%, var(--calc-color-surface));
  color: var(--calc-color-accent);
  transition:
    border-color var(--calc-transition-fast),
    background-color var(--calc-transition-fast);
}

.calc-benefit-card__icon .wal-icon {
  display: block;
  width: 1.0625rem;
  height: 1.0625rem;
  fill: currentColor;
}

.calc-benefit-card__title {
  margin: 0 0 var(--calc-space-2);
  font-size: var(--calc-text-card);
  font-weight: var(--calc-weight-semibold);
  line-height: var(--calc-lh-heading);
  letter-spacing: -0.018em;
  color: var(--calc-color-text);
}

.calc-benefit-card__description {
  flex: 1 1 auto;
  margin: 0;
  font-size: var(--calc-text-small);
  line-height: var(--calc-lh-body);
  color: color-mix(in srgb, var(--calc-color-text-secondary) 86%, var(--calc-color-text-muted));
}

.calc-benefit-card__footer {
  margin-block-start: auto;
  padding-block-start: var(--calc-space-2);
  border-block-start: 1px solid color-mix(in srgb, var(--calc-color-divider) 24%, transparent);
}

.calc-benefit-card__label {
  display: block;
  font-size: var(--calc-text-caption);
  font-weight: var(--calc-weight-medium);
  letter-spacing: 0.085em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--calc-color-primary) 42%, var(--calc-color-text-muted));
}

/* ==========================================================================
   11. Focus & accessibility
   ========================================================================== */

#main-content a:focus-visible,
#main-content button:focus-visible,
#main-content input:focus-visible,
#main-content select:focus-visible,
#main-content summary:focus-visible {
  outline: var(--calc-focus-ring);
  outline-offset: var(--calc-focus-offset);
}

.calc-form__input:focus-visible,
.calc-form__select:focus-visible {
  border-color: var(--calc-color-primary);
  box-shadow: 0 0 0 3px var(--calc-color-primary-soft);
}

/* ==========================================================================
   12. Print preparation
   ========================================================================== */

@media print {
  #main-content {
    color: #000;
    background: #fff;
  }

  #main-content .calc-hero__backdrop,
  #main-content .calc-hero__scroll,
  #main-content .calc-hero__illustration,
  #main-content .calc-hero__trust,
  #main-content .calc-form__action-bar,
  #main-content .calc-cta,
  #main-content #calc-cta {
    display: none;
  }

  #main-content .calc-card,
  #main-content .calc-benefit-card,
  #main-content .calc-kpi,
  #main-content .calc-workspace__container,
  #main-content .calc-summary__container,
  #main-content .calc-rfq__card {
    box-shadow: none;
    break-inside: avoid;
  }
}

/* ==========================================================================
   14. Phase 7C — Premium UI polish
   ========================================================================== */

.calc-section__intro {
  margin: var(--calc-space-3) auto 0;
  max-width: var(--calc-container-reading);
  font-size: var(--calc-text-body);
  line-height: var(--calc-lh-body);
  color: var(--calc-color-text-secondary);
}

.calc-benefits__header .calc-section__intro {
  margin-block-start: 0;
  margin-inline: 0;
  max-width: 48ch;
  line-height: 1.67;
  text-align: start;
}

.calc-results__title,
.calc-breakdown__title,
.calc-faq__title,
.calc-rfq__title,
.calc-cta__title {
  margin-block-end: var(--stack-title-body, var(--calc-space-4));
}

.calc-results .calc-section__intro,
.calc-breakdown .calc-section__intro,
.calc-faq .calc-section__intro {
  margin-block-start: 0;
  margin-block-end: var(--section-header-gap, var(--calc-space-7));
  margin-inline: 0;
  max-width: 48ch;
  text-align: start;
}

.calc-results__grid {
  margin-block-start: 0;
  gap: var(--calc-space-4);
}

.calc-kpi__label {
  margin: 0;
  font-size: var(--calc-text-caption);
  font-weight: var(--calc-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--calc-color-text-muted);
  line-height: var(--calc-lh-small);
}

.calc-kpi__value {
  margin-block-start: var(--calc-space-4);
}

/* --- Engineering breakdown report --- */

.calc-breakdown__details {
  border: 1px solid rgba(23, 75, 113, 0.06);
  border-radius: var(--calc-radius-xl);
  background: var(--calc-color-surface);
  box-shadow: none;
}

.calc-breakdown__panel {
  padding: var(--calc-space-2) var(--calc-space-7) var(--calc-space-7);
}

.calc-breakdown__empty,
.calc-breakdown__error {
  margin: 0;
  padding: var(--calc-space-6);
  border-radius: var(--calc-radius-lg);
  background: var(--calc-color-surface-muted);
  color: var(--calc-color-text-secondary);
  font-size: var(--calc-text-body);
  line-height: var(--calc-lh-body);
}

.calc-breakdown__content {
  display: grid;
  gap: var(--calc-space-5);
}

.calc-breakdown__step {
  padding: var(--calc-space-6);
  border: 1px solid var(--calc-color-border);
  border-radius: var(--calc-radius-lg);
  background: var(--calc-color-surface-soft);
  box-shadow: var(--calc-shadow-xs);
}

.calc-breakdown__section-title {
  margin: 0 0 var(--calc-space-5);
  padding-block-end: var(--calc-space-3);
  border-block-end: 1px solid var(--calc-color-divider);
  font-size: var(--calc-text-card);
  font-weight: var(--calc-weight-semibold);
  color: var(--calc-color-primary);
  letter-spacing: 0.01em;
}

.calc-breakdown__definition-list {
  display: grid;
  gap: var(--calc-space-4);
  margin: 0;
}

.calc-breakdown__term {
  margin: 0;
  font-size: var(--calc-text-small);
  font-weight: var(--calc-weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--calc-color-text-muted);
}

.calc-breakdown__detail {
  margin: 0;
  padding: var(--calc-space-4) var(--calc-space-5);
  border-radius: var(--calc-radius-md);
  background: var(--calc-color-surface-elevated);
  border: 1px solid var(--calc-color-border);
  font-size: var(--calc-text-body);
  font-weight: var(--calc-weight-semibold);
  line-height: var(--calc-lh-body);
  color: var(--calc-color-text);
  font-variant-numeric: tabular-nums;
}

.calc-breakdown__detail--result {
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
  font-size: clamp(0.875rem, 0.84rem + 0.15vw, 0.96875rem);
  font-weight: var(--calc-weight-medium);
  color: var(--calc-color-primary-dark);
}

/* --- Manufacturing RFQ review panel --- */

.calc-rfq__card {
  padding: 0;
  overflow: hidden;
}

.calc-rfq__empty {
  margin: 0;
  padding: var(--calc-space-8) var(--calc-space-7);
  color: var(--calc-color-text-secondary);
  font-size: var(--calc-text-body);
  line-height: var(--calc-lh-body);
  text-align: center;
}

.calc-rfq__description {
  margin: 0 0 var(--section-header-gap, var(--calc-space-7));
  max-width: 48ch;
  font-size: var(--calc-text-body);
  line-height: var(--calc-lh-body);
  color: var(--calc-color-text-secondary);
}

.calc-rfq__review-body {
  display: grid;
  gap: 0;
}

.calc-rfq__section {
  padding: var(--calc-space-7);
  border-block-end: 1px solid var(--calc-color-divider);
}

.calc-rfq__section:last-of-type {
  border-block-end: 0;
}

.calc-rfq__section-title {
  margin: 0 0 var(--calc-space-5);
  font-size: var(--calc-text-card);
  font-weight: var(--calc-weight-semibold);
  color: var(--calc-color-primary);
  letter-spacing: 0.01em;
}

.calc-rfq__definition-list {
  display: grid;
  grid-template-columns: minmax(9rem, 1fr) minmax(0, 1.4fr);
  gap: var(--calc-space-3) var(--calc-space-6);
  margin: 0;
}

.calc-rfq__term {
  margin: 0;
  padding-block: var(--calc-space-2);
  font-size: var(--calc-text-small);
  font-weight: var(--calc-weight-medium);
  color: var(--calc-color-text-muted);
}

.calc-rfq__detail {
  margin: 0;
  padding-block: var(--calc-space-2);
  font-size: var(--calc-text-body);
  font-weight: var(--calc-weight-semibold);
  color: var(--calc-color-text);
  text-align: end;
  font-variant-numeric: tabular-nums;
}

.calc-rfq__section--output .calc-rfq__detail {
  color: var(--calc-color-primary);
}

.calc-rfq__section--note {
  background: var(--calc-color-surface-soft);
}

.calc-rfq__note {
  margin: 0;
  padding: var(--calc-space-5);
  border-radius: var(--calc-radius-md);
  border: 1px solid var(--calc-color-border);
  background: var(--calc-color-surface-elevated);
  font-size: var(--calc-text-small);
  line-height: var(--calc-lh-body);
  color: var(--calc-color-text-secondary);
}

.calc-rfq__actions {
  margin: 0;
  padding: var(--calc-space-6) var(--calc-space-7);
  border-block-start: 1px solid var(--calc-color-divider);
  background: var(--calc-color-surface-muted);
  gap: var(--calc-space-4);
}

.calc-rfq__form {
  padding: var(--calc-space-7);
}

/* --- FAQ --- */

.calc-faq__answer {
  padding: 0 var(--calc-space-6) var(--calc-space-6);
}

.calc-faq__answer p {
  margin: 0;
  font-size: var(--calc-text-body);
  line-height: var(--calc-lh-body);
  color: var(--calc-color-text-secondary);
}

.calc-faq__answer p + p {
  margin-block-start: var(--calc-space-4);
}

.calc-faq__answer strong {
  font-weight: var(--calc-weight-semibold);
  color: var(--calc-color-text);
}

.calc-faq__list {
  gap: var(--calc-space-5);
}

.calc-faq__item[open] .calc-faq__question {
  border-block-end: 1px solid var(--calc-color-divider);
}

/* --- Card polish (global) --- */

.calc-kpi,
.calc-breakdown__details,
.calc-faq__item,
.calc-rfq__card,
.calc-workspace__container,
.calc-summary__container {
  border-color: var(--calc-color-border);
  box-shadow: var(--calc-shadow-sm);
}

.calc-kpi:hover {
  border-color: var(--calc-color-border-strong);
  box-shadow: var(--calc-shadow-lg);
}

/* ==========================================================================
   15. Phase 8A — Section flow & transitions
   ========================================================================== */

section.kc-hero.calc-hero {
  padding-block-end: calc(var(--section-padding-y) * 0.48);
}

.calc-benefits::after {
  display: none;
}

.calc-workspace-band::before {
  display: none;
}

.calc-results::before {
  display: none;
}

.calc-hero__cta:focus-visible {
  outline: var(--calc-focus-ring);
  outline-offset: var(--calc-focus-offset);
  box-shadow: var(--calc-shadow-sm);
}

/* ==========================================================================
   16. Phase 8B — Hero layout alignment (platform consistency)
   ========================================================================== */

#main-content section.kc-hero.calc-hero .kc-hero__container {
  text-align: left;
}

#main-content section.kc-hero.calc-hero .kc-breadcrumb {
  margin-inline: 0;
  margin-block-end: var(--mph-gap-breadcrumb, var(--calc-space-6));
  text-align: left;
}

#main-content section.kc-hero.calc-hero .kc-hero__title,
#main-content section.kc-hero.calc-hero .calc-hero__headline {
  margin-inline: 0;
  margin-block: 0 var(--mph-gap-title, var(--stack-card-body-cta, var(--calc-space-5)));
  text-align: left;
}

#main-content section.kc-hero.calc-hero .calc-hero__badge {
  margin-block-end: var(--mph-gap-eyebrow, var(--stack-eyebrow-title, var(--calc-space-3)));
}

#main-content section.kc-hero.calc-hero .calc-hero__description {
  margin-block-end: var(--calc-space-3);
  max-width: min(42ch, var(--desktop-measure-hero-deck, 42ch));
}

#main-content section.kc-hero.calc-hero .calc-hero__actions {
  margin-block-end: 0;
}

#main-content section.kc-hero.calc-hero .calc-hero__content {
  max-width: none;
  width: 100%;
}

/* ==========================================================================
   17. Phase 8C — Hero visual refinement (premium editorial polish)
   ========================================================================== */

@media (min-width: 48rem) {
  #main-content section.kc-hero.calc-hero .calc-hero__grid {
    grid-template-columns: minmax(0, 23fr) minmax(0, 27fr);
    gap: var(--mph-gap-hero-grid, var(--calc-space-7));
    align-items: start;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__illustration {
    margin-block-start: calc(
      var(--mph-gap-breadcrumb, var(--calc-space-6)) +
      var(--mph-gap-eyebrow, var(--stack-eyebrow-title, var(--calc-space-3)))
    );
    align-self: start;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__illustration-stage {
    transform: scale(1.03);
    transform-origin: center top;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__illustration-glow {
    inset: 8% 6% auto;
    block-size: 62%;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__geometry--ring {
    inset-block-start: 14%;
    inset-inline-start: 12%;
    width: clamp(8rem, 44%, 13rem);
    height: clamp(8rem, 44%, 13rem);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__float-card--spec {
    inset-block-start: 10%;
    inset-inline-end: 6%;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__float-card--metric {
    inset-block-end: 12%;
    inset-inline-start: 8%;
  }

  #main-content section.kc-hero.calc-hero .kc-hero__title,
  #main-content section.kc-hero.calc-hero .calc-hero__headline {
    max-width: 21ch;
  }
}

@media (min-width: 64rem) {
  #main-content section.kc-hero.calc-hero .calc-hero__trust {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    padding: 0;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__trust-item {
    min-block-size: var(--calc-touch-min);
    padding: var(--calc-space-3) var(--calc-space-4);
    border-radius: 0;
    background: transparent;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__trust-item:first-child {
    border-start-start-radius: var(--calc-radius-lg);
    border-end-start-radius: var(--calc-radius-lg);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__trust-item:last-child {
    border-start-end-radius: var(--calc-radius-lg);
    border-end-end-radius: var(--calc-radius-lg);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__trust-item:not(:first-child) {
    border-inline-start: 1px solid var(--calc-color-divider);
  }
}

@media (prefers-reduced-motion: reduce) {
  #main-content section.kc-hero.calc-hero .calc-hero__illustration-stage {
    transform: none;
  }
}

/* ==========================================================================
   18. Phase 8D — Hero composition refinement (premium editorial layout)
   ========================================================================== */

#main-content section.kc-hero.calc-hero .calc-hero__illustration-stage {
  box-shadow: var(--calc-shadow-sm);
}

#main-content section.kc-hero.calc-hero .calc-hero__illustration-glow {
  opacity: 0.55;
}

#main-content section.kc-hero.calc-hero .calc-hero__geometry--ring,
#main-content section.kc-hero.calc-hero .calc-hero__geometry--axis {
  opacity: 0.4;
}

#main-content section.kc-hero.calc-hero .calc-hero__float-card {
  box-shadow: var(--calc-shadow-xs);
  border-color: color-mix(in srgb, var(--calc-color-border) 70%, transparent);
}

#main-content section.kc-hero.calc-hero .kc-breadcrumb {
  margin-block-end: var(--mph-gap-breadcrumb, var(--calc-space-5));
}

#main-content section.kc-hero.calc-hero .calc-hero__badge {
  margin-block-end: var(--mph-gap-eyebrow, var(--stack-eyebrow-title, var(--calc-space-3)));
}

#main-content section.kc-hero.calc-hero .kc-hero__title,
#main-content section.kc-hero.calc-hero .calc-hero__headline {
  margin-block-end: var(--mph-gap-title, var(--stack-card-body-cta, var(--calc-space-4)));
}

#main-content section.kc-hero.calc-hero .calc-hero__content {
  gap: 0;
}

/* CTA decision module — unified action block */
#main-content section.kc-hero.calc-hero .calc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--mph-gap-cta-stack, var(--calc-space-3));
  width: 100%;
  padding: var(--calc-space-3);
  border: 1px solid color-mix(in srgb, var(--calc-color-border) 72%, transparent);
  border-block-end: 0;
  border-radius: var(--calc-radius-lg) var(--calc-radius-lg) 0 0;
  background: color-mix(in srgb, var(--calc-color-surface) 88%, transparent);
}

#main-content section.kc-hero.calc-hero .calc-hero__actions .calc-hero__cta {
  flex: 1 1 calc(50% - var(--mph-gap-cta-stack, var(--calc-space-3)));
  min-block-size: calc(var(--calc-touch-min) + var(--calc-space-2));
  min-inline-size: 0;
}

/* Feature strip — connected platform band */
#main-content section.kc-hero.calc-hero .calc-hero__trust {
  margin-block-start: 0;
  margin-block-end: var(--mph-gap-hero-grid, var(--calc-space-7));
  border-block-start: 1px solid color-mix(in srgb, var(--calc-color-divider) 88%, transparent);
  border-start-start-radius: 0;
  border-start-end-radius: 0;
}

@media (min-width: 48rem) {
  #main-content section.kc-hero.calc-hero .calc-hero__illustration {
    margin-block-start: calc(
      var(--mph-gap-breadcrumb, var(--calc-space-5)) +
      var(--mph-gap-eyebrow, var(--stack-eyebrow-title, var(--calc-space-3))) +
      var(--calc-space-1)
    );
  }

  #main-content section.kc-hero.calc-hero .calc-hero__illustration-stage {
    transform: scale(1.02);
    transform-origin: center top;
    box-shadow: var(--calc-shadow-sm);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__illustration-glow {
    inset: 10% 8% auto;
    block-size: 58%;
    opacity: 0.48;
    filter: blur(20px);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__illustration-grid {
    opacity: 0.5;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__geometry--ring,
  #main-content section.kc-hero.calc-hero .calc-hero__geometry--axis {
    opacity: 0.36;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__float-card {
    box-shadow: var(--calc-shadow-xs);
    border-color: color-mix(in srgb, var(--calc-color-border) 68%, transparent);
    background: rgba(255, 255, 255, 0.88);
  }
}

@media (min-width: 64rem) {
  #main-content section.kc-hero.calc-hero .calc-hero__trust-item {
    padding: var(--calc-space-4) var(--calc-space-5);
    min-block-size: calc(var(--calc-touch-min) + var(--calc-space-1));
  }

  #main-content section.kc-hero.calc-hero .calc-hero__trust-item:not(:first-child) {
    border-inline-start: 1px solid color-mix(in srgb, var(--calc-color-divider) 72%, transparent);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__trust-item:first-child {
    border-start-start-radius: 0;
    border-end-start-radius: var(--calc-radius-lg);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__trust-item:last-child {
    border-start-end-radius: 0;
    border-end-end-radius: var(--calc-radius-lg);
  }
}

@media (max-width: 47.99rem) {
  #main-content section.kc-hero.calc-hero .calc-hero__trust-item:nth-child(even) {
    border-inline-start: 1px solid color-mix(in srgb, var(--calc-color-divider) 72%, transparent);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__trust-item:nth-child(-n + 2) {
    border-block-end: 1px solid color-mix(in srgb, var(--calc-color-divider) 72%, transparent);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__actions .calc-hero__cta {
    flex: 1 1 100%;
  }
}

/* ==========================================================================
   19. Phase 8E — Hero final refinement (enterprise landing quality)
   ========================================================================== */

#main-content section.kc-hero.calc-hero .kc-hero__title,
#main-content section.kc-hero.calc-hero .calc-hero__headline {
  margin-block-end: var(--calc-space-5);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

#main-content section.kc-hero.calc-hero .calc-hero__headline .walonium-hero-title {
  display: inline-block;
  max-inline-size: 100%;
}

#main-content section.kc-hero.calc-hero .calc-hero__description {
  margin-block-end: var(--calc-space-3);
  max-width: min(40ch, var(--desktop-measure-hero-deck, 40ch));
  line-height: var(--calc-lh-body);
}

#main-content section.kc-hero.calc-hero .calc-hero__actions {
  padding: var(--calc-space-4);
  background: var(--calc-color-surface);
  border-color: color-mix(in srgb, var(--calc-color-border) 82%, transparent);
}

#main-content section.kc-hero.calc-hero .calc-hero__actions .calc-hero__cta {
  min-block-size: calc(var(--calc-touch-min) + var(--calc-space-2));
}

#main-content section.kc-hero.calc-hero .calc-hero__trust {
  background: var(--calc-color-surface);
  border-color: color-mix(in srgb, var(--calc-color-border) 80%, transparent);
  border-block-start-color: color-mix(in srgb, var(--calc-color-divider) 58%, transparent);
}

#main-content section.kc-hero.calc-hero .calc-hero__trust-item:not(:first-child) {
  border-inline-start-color: color-mix(in srgb, var(--calc-color-divider) 55%, transparent);
}

@media (min-width: 48rem) {
  #main-content section.kc-hero.calc-hero .calc-hero__grid {
    align-items: center;
  }

  #main-content section.kc-hero.calc-hero .kc-hero__title,
  #main-content section.kc-hero.calc-hero .calc-hero__headline {
    max-width: 23ch;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__illustration {
    margin-block-start: 0;
    align-self: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-block-size: clamp(17rem, 30vw, 26rem);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__illustration-stage {
    inline-size: 100%;
    min-block-size: clamp(17rem, 30vw, 26rem);
    transform: scale(1.04);
    transform-origin: center center;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__illustration-glow {
    inset: 8% 6% auto;
    block-size: 64%;
    opacity: 0.34;
    filter: blur(18px);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__illustration-grid {
    opacity: 0.42;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__geometry--ring,
  #main-content section.kc-hero.calc-hero .calc-hero__geometry--axis {
    opacity: 0.28;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__geometry--ring {
    inset-block-start: 12%;
    inset-inline-start: 10%;
    width: clamp(8.5rem, 46%, 13.5rem);
    height: clamp(8.5rem, 46%, 13.5rem);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__float-card--spec {
    inset-block-start: 8%;
    inset-inline-end: 5%;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__float-card--metric {
    inset-block-end: 10%;
    inset-inline-start: 6%;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__float-card {
    padding: var(--calc-space-3) var(--calc-space-4);
    background: rgba(255, 255, 255, 0.9);
  }
}

@media (min-width: 64rem) {
  #main-content section.kc-hero.calc-hero .kc-hero__title,
  #main-content section.kc-hero.calc-hero .calc-hero__headline {
    max-width: 24ch;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__trust-item {
    padding: var(--calc-space-4) var(--calc-space-5);
    column-gap: var(--calc-space-4);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__trust-item:not(:first-child) {
    border-inline-start-color: color-mix(in srgb, var(--calc-color-divider) 55%, transparent);
  }
}

@media (min-width: 90rem) {
  #main-content section.kc-hero.calc-hero .kc-hero__title,
  #main-content section.kc-hero.calc-hero .calc-hero__headline {
    max-width: 24ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  #main-content section.kc-hero.calc-hero .calc-hero__illustration-stage {
    transform: none;
  }

  #main-content .calc-hero__trust-item:hover {
    background: transparent;
  }
}

/* ==========================================================================
   20. Phase 8F — Final hero polish (production ready)
   ========================================================================== */

#main-content section.kc-hero.calc-hero {
  padding-block-end: calc(var(--section-padding-y) * 0.42);
}

#main-content section.kc-hero.calc-hero .kc-breadcrumb {
  margin-block-end: var(--calc-space-4);
}

#main-content section.kc-hero.calc-hero .kc-hero__title,
#main-content section.kc-hero.calc-hero .calc-hero__headline {
  margin-block-end: var(--calc-space-4);
}

#main-content section.kc-hero.calc-hero .calc-hero__scroll {
  margin-block-start: var(--calc-space-5);
}

#main-content section.kc-hero.calc-hero .calc-hero__scroll-line {
  block-size: 2rem;
}

/* CTA — quiet organizer, buttons as focus */
#main-content section.kc-hero.calc-hero .calc-hero__actions {
  padding: var(--calc-space-2);
  background: transparent;
  border-color: color-mix(in srgb, var(--calc-color-divider) 48%, transparent);
}

#main-content section.kc-hero.calc-hero .calc-hero__actions .calc-hero__cta {
  min-block-size: var(--calc-touch-min);
}

/* Feature strip — premium platform band */
#main-content section.kc-hero.calc-hero .calc-hero__trust {
  margin-block-end: var(--calc-space-5);
  border-color: color-mix(in srgb, var(--calc-color-border) 72%, transparent);
  border-block-start-color: color-mix(in srgb, var(--calc-color-divider) 42%, transparent);
}

#main-content section.kc-hero.calc-hero .calc-hero__trust-item {
  padding: var(--calc-space-3) var(--calc-space-4);
  column-gap: var(--calc-space-3);
  min-block-size: var(--calc-touch-min);
}

#main-content section.kc-hero.calc-hero .calc-hero__trust-item:not(:first-child) {
  border-inline-start-color: color-mix(in srgb, var(--calc-color-divider) 42%, transparent);
}

#main-content section.kc-hero.calc-hero .calc-hero__trust-icon {
  margin-block-start: 0;
  align-self: center;
}

@media (min-width: 48rem) {
  #main-content section.kc-hero.calc-hero .calc-hero__illustration {
    min-block-size: clamp(15rem, 26vw, 23rem);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__illustration-stage {
    min-block-size: clamp(15rem, 26vw, 23rem);
    transform: scale(1.03);
    border-color: var(--calc-color-border-strong);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__illustration-grid {
    opacity: 0.54;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__geometry--ring,
  #main-content section.kc-hero.calc-hero .calc-hero__geometry--axis {
    opacity: 0.34;
  }

  #main-content section.kc-hero.calc-hero .calc-hero__float-card {
    border-color: color-mix(in srgb, var(--calc-color-border-strong) 78%, transparent);
    background: rgba(255, 255, 255, 0.94);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__float-card-value {
    color: var(--calc-color-primary-dark);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__float-card-bar {
    background: color-mix(in srgb, var(--calc-color-primary-soft) 65%, var(--calc-color-surface-muted));
  }
}

@media (min-width: 64rem) {
  #main-content section.kc-hero.calc-hero .calc-hero__trust-item {
    padding: var(--calc-space-3) var(--calc-space-4);
    column-gap: var(--calc-space-3);
  }

  #main-content section.kc-hero.calc-hero .calc-hero__trust-item:not(:first-child) {
    border-inline-start-color: color-mix(in srgb, var(--calc-color-divider) 42%, transparent);
  }
}

@media (min-width: 90rem) {
  #main-content section.kc-hero.calc-hero {
    padding-block-end: calc(var(--section-padding-y) * 0.4);
  }
}

/* ==========================================================================
   21. Phase 9A — Benefits section redesign
   ========================================================================== */

#main-content .calc-benefits {
  margin-block-start: calc(var(--section-padding-y) * -0.05);
  padding-block-start: calc(var(--section-padding-y) * 0.2);
  padding-block-end: calc(var(--section-padding-y) * 0.48);
}

#main-content .calc-benefits__header {
  margin-block-end: var(--calc-space-5);
  max-width: none;
}

#main-content .calc-benefits__title {
  margin-block-end: var(--calc-space-5);
  max-width: 25ch;
  font-weight: var(--calc-weight-bold);
  letter-spacing: -0.031em;
  line-height: 1.13;
}

#main-content .calc-benefits__grid {
  gap: var(--calc-space-2);
}

#main-content .calc-benefit-card {
  height: 100%;
  padding: var(--calc-space-4) var(--calc-space-4) var(--calc-space-3);
  background: var(--calc-color-surface);
  border-color: rgba(23, 75, 113, 0.04);
  box-shadow: none;
}

#main-content .calc-benefit-card:hover {
  border-color: rgba(23, 75, 113, 0.07);
  box-shadow: none;
  background: var(--calc-color-surface);
}

#main-content .calc-benefit-card:hover .calc-benefit-card__icon {
  border-color: color-mix(in srgb, var(--calc-color-accent) 18%, transparent);
}

@media (min-width: 64rem) {
  #main-content .calc-benefits__grid {
    gap: var(--calc-space-2);
  }

  #main-content .calc-benefit-card {
    padding: var(--calc-space-4) var(--calc-space-4) var(--calc-space-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  #main-content .calc-benefit-card:hover {
    transform: none;
  }

  #main-content .calc-benefit-card:hover .calc-benefit-card__icon {
    border-color: color-mix(in srgb, var(--calc-color-accent) 12%, transparent);
  }
}

/* ==========================================================================
   22. Phase 9B — Premium benefits editorial hierarchy
   ========================================================================== */

#main-content .calc-benefits__transition {
  display: none;
}

#main-content .calc-benefits__eyebrow {
  margin-block-end: var(--calc-space-2);
  letter-spacing: 0.13em;
  color: color-mix(in srgb, var(--calc-color-primary) 94%, var(--calc-color-text));
}

#main-content .calc-benefits__header .calc-section__intro {
  max-width: 48ch;
  line-height: 1.67;
}

#main-content .calc-benefit-card__title {
  font-weight: var(--calc-weight-semibold);
  letter-spacing: -0.018em;
}

#main-content .calc-benefit-card__description {
  color: color-mix(in srgb, var(--calc-color-text-secondary) 86%, var(--calc-color-text-muted));
}

#main-content .calc-benefit-card__label {
  font-weight: var(--calc-weight-medium);
  letter-spacing: 0.085em;
  color: color-mix(in srgb, var(--calc-color-primary) 42%, var(--calc-color-text-muted));
}

/* ==========================================================================
   23. Phase 9C — Benefits final editorial polish
   ========================================================================== */

#main-content .calc-benefits {
  padding-block-end: calc(var(--section-padding-y) * 0.48);
}

#main-content .calc-benefit-card__icon .wal-icon {
  width: 1.0625rem;
  height: 1.0625rem;
}

#main-content .calc-benefit-card__icon {
  margin-block-end: var(--calc-space-3);
  border-color: color-mix(in srgb, var(--calc-color-accent) 10%, transparent);
  background: color-mix(in srgb, var(--calc-color-accent-soft) 65%, var(--calc-color-surface));
}

#main-content .calc-benefit-card__footer {
  padding-block-start: var(--calc-space-2);
  border-block-start-color: color-mix(in srgb, var(--calc-color-divider) 24%, transparent);
}

/* ==========================================================================
   24. Phase 9D — World-class editorial refinement
   ========================================================================== */

#main-content .calc-benefits::after {
  display: none;
}

/* ==========================================================================
   25. Phase 9E — Final premium editorial polish
   ========================================================================== */

#main-content .calc-benefits__container {
  width: 100%;
}

#main-content .calc-benefit-card {
  transition:
    border-color var(--calc-duration-fast) var(--calc-ease-out),
    background-color var(--calc-duration-base) var(--calc-ease-out);
}

/* ==========================================================================
   26. Phase 10A–10C — Workspace application layout & continuity
   ========================================================================== */

#main-content .calc-workspace__container.calc-card--glass {
  background: var(--calc-color-surface-soft);
  backdrop-filter: none;
  border: 1px solid rgba(23, 75, 113, 0.035);
  box-shadow: none;
}

#main-content .calc-summary__container.calc-card--premium {
  background: var(--calc-color-surface-soft);
  border: 1px solid rgba(23, 75, 113, 0.035);
  box-shadow: none;
}

#main-content .calc-workspace__container,
#main-content .calc-summary__container {
  padding: var(--calc-space-6);
  background: var(--calc-color-surface-soft);
  border: 1px solid rgba(23, 75, 113, 0.035);
  border-radius: var(--calc-radius-lg);
  box-shadow: none;
}

#main-content .calc-workspace__header,
#main-content .calc-summary__header {
  margin-block-end: var(--calc-space-6);
}

#main-content .calc-summary__header {
  padding-block-end: 0;
  border-block-end: none;
}

#main-content .calc-workspace__title,
#main-content .calc-summary__title {
  margin-block-end: 0;
}

#main-content .calc-workspace__title {
  max-width: 22ch;
}

#main-content .calc-summary__title {
  letter-spacing: -0.022em;
}

#main-content .calc-form__field-head {
  margin-block-end: var(--calc-space-3);
}

#main-content .calc-summary__section-title {
  letter-spacing: 0.09em;
  color: color-mix(in srgb, var(--calc-color-primary) 48%, var(--calc-color-text-muted));
}

#main-content .calc-summary__section--estimates .calc-summary__section-title {
  color: color-mix(in srgb, var(--calc-color-primary) 62%, var(--calc-color-text-muted));
}

#main-content .calc-summary__row {
  padding-block: var(--calc-space-1);
}

#main-content .calc-summary__divider {
  margin-block: var(--calc-space-3);
}

@media (min-width: 64rem) {
  #main-content .calc-workspace-band {
    align-items: stretch;
    gap: var(--calc-space-4);
    padding: var(--section-padding-y) 0;
  }

  #main-content .calc-workspace,
  #main-content .calc-summary {
    display: flex;
    flex-direction: column;
    min-block-size: 0;
  }

  #main-content .calc-workspace__container,
  #main-content .calc-summary__container {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    min-block-size: 100%;
  }

  #main-content .calc-form {
    flex: 1 1 auto;
  }
}

/* ==========================================================================
   28. Phase 11A — Global section rhythm (homepage alignment)
   ========================================================================== */

#main-content section.kc-hero.calc-hero {
  background: var(--calc-color-surface);
}

#main-content .calc-benefits {
  margin-block-start: 0;
  padding-block: var(--section-padding-y);
  background: var(--calc-color-surface-soft);
}

#main-content .calc-workspace-band {
  background: var(--calc-color-surface);
  border: none;
  border-radius: 0;
  margin-block: 0;
  padding-block: var(--section-padding-y);
  padding-inline: var(--section-padding-x);
}

#main-content .calc-workspace-band::before {
  display: none;
}

#main-content .calc-results {
  padding-block: var(--section-padding-y);
  background: var(--calc-color-surface-soft);
}

#main-content .calc-results::before {
  display: none;
}

#main-content .calc-breakdown {
  background: var(--calc-color-surface);
}

#main-content .calc-rfq {
  background: var(--calc-color-surface-soft);
}

#main-content .calc-faq {
  background: var(--calc-color-surface);
}

#main-content .calc-cta {
  background: var(--calc-color-surface-soft);
}

#main-content .calc-workspace__container,
#main-content .calc-summary__container {
  background: var(--calc-color-surface-soft);
  border: 1px solid rgba(23, 75, 113, 0.06);
  box-shadow: none;
}

/* ==========================================================================
   29. Phase 11B — Homepage editorial rhythm (final)
   ========================================================================== */

/* --- One canvas: unified section cadence --- */

#main-content section.kc-hero.calc-hero {
  padding-block-end: var(--section-padding-y);
}

#main-content .calc-benefits,
#main-content .calc-workspace-band,
#main-content .calc-results,
#main-content .calc-breakdown,
#main-content .calc-rfq,
#main-content .calc-faq,
#main-content .calc-cta {
  margin-block: 0;
  padding-block: var(--section-padding-y);
  padding-inline: var(--section-padding-x);
}

#main-content .calc-cta {
  padding-block-start: calc(var(--section-padding-y) * 1.05);
  padding-block-end: calc(var(--section-padding-y) * 0.72);
}

/* --- Seam removal: surfaces alternate only --- */

#main-content .calc-benefits::after,
#main-content .calc-workspace-band::before,
#main-content .calc-results::before {
  display: none;
}

#main-content .calc-kpi,
#main-content .calc-breakdown__details,
#main-content .calc-faq__item,
#main-content .calc-rfq__card {
  box-shadow: none;
  border-color: rgba(23, 75, 113, 0.06);
}

#main-content .calc-cta__container {
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

#main-content .calc-cta__link {
  margin-block-start: 0;
}

/* --- Editorial headers: homepage stack rhythm --- */

#main-content .calc-benefits__header {
  margin-block-end: var(--section-header-gap, var(--calc-space-7));
}

#main-content .calc-benefits__title {
  margin-block-end: var(--stack-title-body, var(--calc-space-4));
}

#main-content .calc-benefits__header .calc-section__intro {
  margin-block-start: 0;
  margin-block-end: 0;
}

#main-content .calc-benefits__grid {
  gap: var(--calc-space-4);
}

#main-content .calc-workspace__header {
  margin-block-end: 0;
}

#main-content .calc-workspace__title {
  margin-block-end: var(--stack-title-body, var(--calc-space-4));
}

#main-content .calc-workspace__description {
  margin: 0 0 var(--section-header-gap, var(--calc-space-7));
}

#main-content .calc-results__title,
#main-content .calc-breakdown__title,
#main-content .calc-faq__title,
#main-content .calc-rfq__title,
#main-content .calc-cta__title {
  margin-block-end: var(--stack-title-body, var(--calc-space-4));
}

#main-content .calc-results .calc-section__intro,
#main-content .calc-breakdown .calc-section__intro,
#main-content .calc-faq .calc-section__intro {
  margin-block-start: 0;
  margin-block-end: var(--section-header-gap, var(--calc-space-7));
  margin-inline: 0;
  max-width: 48ch;
  text-align: start;
}

#main-content .calc-rfq__description {
  margin-block-end: var(--section-header-gap, var(--calc-space-7));
}

#main-content .calc-results__grid {
  margin-block-start: 0;
}

#main-content .calc-breakdown__details {
  margin-block-start: 0;
}

#main-content .calc-faq__list {
  margin-block-start: 0;
  gap: var(--calc-space-4);
}

/* --- Calculator workspace: one application on white --- */

@media (min-width: 64rem) {
  #main-content .calc-workspace-band {
    align-items: stretch;
    gap: var(--calc-space-4);
    padding-block: var(--section-padding-y);
    padding-inline: var(--section-padding-x);
  }
}

@media (min-width: 90rem) {
  #main-content section.kc-hero.calc-hero {
    padding-block-end: var(--section-padding-y);
  }
}

/* ==========================================================================
   30. Phase 12A — Premium workspace composition
   ========================================================================== */

/* --- Shared application shell --- */

#main-content .calc-workspace__container,
#main-content .calc-summary__container {
  display: flex;
  flex-direction: column;
  min-block-size: 100%;
  padding: var(--calc-space-7);
  background: var(--calc-color-surface);
  border: 1px solid rgba(23, 75, 113, 0.06);
  border-radius: var(--calc-radius-xl);
  box-shadow: none;
}

#main-content .calc-workspace__container.calc-card--glass,
#main-content .calc-summary__container.calc-card--premium {
  background: var(--calc-color-surface);
  backdrop-filter: none;
  border: 1px solid rgba(23, 75, 113, 0.06);
  border-radius: var(--calc-radius-xl);
  box-shadow: none;
}

#main-content .calc-workspace__container.calc-animate-soft-glow,
#main-content .calc-workspace__container.calc-animate-soft-glow:hover,
#main-content .calc-workspace__container.calc-animate-soft-glow:focus-within {
  box-shadow: none;
}

/* --- Equal-height columns (desktop) --- */

@media (min-width: 64rem) {
  #main-content .calc-workspace,
  #main-content .calc-summary {
    display: flex;
    flex-direction: column;
    min-block-size: 0;
  }

  #main-content .calc-workspace__container,
  #main-content .calc-summary__container {
    flex: 1 1 auto;
  }
}

/* --- Header alignment --- */

#main-content .calc-workspace__header,
#main-content .calc-summary__header {
  margin-block-end: var(--calc-space-7);
  padding-block-end: 0;
  border-block-end: none;
}

#main-content .calc-workspace__eyebrow,
#main-content .calc-summary__eyebrow {
  margin-block-end: var(--stack-eyebrow-title, var(--calc-space-2));
}

#main-content .calc-workspace__title,
#main-content .calc-summary__title {
  margin-block-end: var(--stack-title-body, var(--calc-space-4));
  max-width: none;
  letter-spacing: -0.028em;
  line-height: 1.14;
}

#main-content .calc-summary__title {
  margin-block-end: 0;
  letter-spacing: -0.022em;
}

#main-content .calc-summary__header::after {
  content: "";
  display: block;
  margin-block-start: var(--stack-title-body, var(--calc-space-4));
  min-block-size: calc(1.65em * 2);
  max-width: 46ch;
}

#main-content .calc-workspace__description {
  margin: 0;
  max-width: 46ch;
  line-height: 1.65;
}

/* --- Calculator form rhythm --- */

#main-content .calc-form {
  display: grid;
  gap: var(--calc-space-5);
  flex: 1 1 auto;
}

#main-content .calc-form__field {
  gap: var(--calc-space-3);
}

#main-content .calc-form__field-head {
  margin-block-end: var(--calc-space-3);
  align-items: center;
}

/* --- Lighter input cards --- */

#main-content .calc-input-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--calc-space-5);
  border: 1px solid rgba(23, 75, 113, 0.05);
  border-radius: var(--calc-radius-lg);
  background: var(--calc-color-surface-soft);
  box-shadow: none;
}

#main-content .calc-input-card:hover,
#main-content .calc-input-card.calc-animate-hover-lift:hover {
  border-color: rgba(23, 75, 113, 0.08);
  box-shadow: none;
  transform: none;
}

#main-content .calc-input-card--disabled {
  background: var(--calc-color-surface-soft);
  opacity: 0.68;
}

#main-content .calc-input-card .calc-form__field {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}

#main-content .calc-form__icon {
  width: 2rem;
  height: 2rem;
  margin-block-start: 0;
  border: 1px solid rgba(23, 75, 113, 0.06);
  border-radius: var(--calc-radius-sm);
  background: var(--calc-color-surface);
  box-shadow: none;
}

#main-content .calc-form__icon::after {
  width: 0.75rem;
  height: 0.75rem;
  margin: 0.625rem;
  background: rgba(23, 75, 113, 0.08);
}

#main-content .calc-form__control .calc-form__select,
#main-content .calc-form__control .calc-form__input {
  min-block-size: 3rem;
  border: 1px solid rgba(23, 75, 113, 0.08);
  border-radius: var(--calc-radius-md);
  background: var(--calc-color-surface);
  box-shadow: none;
}

#main-content .calc-form__control:focus-within .calc-form__select,
#main-content .calc-form__control:focus-within .calc-form__input {
  border-color: var(--calc-color-primary);
  box-shadow: 0 0 0 3px var(--calc-color-primary-soft);
}

#main-content .calc-form__control--search .calc-form__select {
  min-block-size: 3rem;
}

/* --- Action bar control group --- */

#main-content .calc-form__action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--calc-space-3);
  margin-block-start: auto;
  padding-block-start: var(--calc-space-6);
  border-block-start: 1px solid rgba(23, 75, 113, 0.06);
}

#main-content .calc-form__action-bar .calc-form__button {
  flex: 1 1 0;
  width: auto;
  min-block-size: 3rem;
}

/* --- Procurement summary dashboard --- */

#main-content .calc-summary__list {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  gap: 0;
  margin: 0;
  min-block-size: 0;
}

#main-content .calc-summary__section {
  display: grid;
  gap: var(--calc-space-1);
  padding-block-start: 0;
}

#main-content .calc-summary__section-title {
  margin-block-end: var(--calc-space-4);
  letter-spacing: 0.1em;
}

#main-content .calc-summary__divider {
  margin-block: var(--calc-space-6);
  background: rgba(23, 75, 113, 0.05);
}

#main-content .calc-summary__row {
  align-items: baseline;
  min-block-size: 2.75rem;
  padding-block: var(--calc-space-3);
  gap: var(--calc-space-5);
  border-block-end: 1px solid rgba(23, 75, 113, 0.05);
}

#main-content .calc-summary__row:last-child {
  border-block-end: 0;
}

#main-content .calc-summary__label {
  line-height: 1.45;
}

#main-content .calc-summary__value {
  line-height: 1.45;
  font-variant-numeric: tabular-nums;
}

#main-content .calc-summary__section--estimates {
  margin-block-start: auto;
  padding-block-start: var(--calc-space-2);
}

#main-content .calc-summary__section--estimates .calc-summary__row {
  min-block-size: 3rem;
}

@media (max-width: 63.99rem) {
  #main-content .calc-summary__header::after {
    display: none;
  }

  #main-content .calc-summary__title {
    margin-block-end: var(--stack-title-body, var(--calc-space-4));
  }

  #main-content .calc-summary__section--estimates {
    margin-block-start: 0;
  }
}

/* ==========================================================================
   31. Phase 12B — Workspace scale refinement & brand accent
   ========================================================================== */

#main-content .calc-workspace-band {
  --calc-app-scale: 0.89;
  --calc-app-pad: calc(var(--calc-space-7) * var(--calc-app-scale));
  --calc-app-header-end: calc(var(--calc-space-7) * var(--calc-app-scale));
  --calc-app-grid-gap: calc(var(--calc-space-5) * var(--calc-app-scale));
  --calc-app-card-pad: calc(var(--calc-space-5) * var(--calc-app-scale));
  --calc-app-action-pad: calc(var(--calc-space-6) * var(--calc-app-scale));
  --calc-app-field-gap: calc(var(--calc-space-3) * var(--calc-app-scale));
  --calc-app-control-h: 2.75rem;
  --calc-app-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' aria-hidden='true'%3E%3Cpath fill='%23F37F0C' d='M6 2a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2H6zm0 2h12v3H6V4zm1 5h2v2H7V9zm4 0h2v2h-2V9zm4 0h2v2h-2V9zM7 13h2v2H7v-2zm4 0h2v2h-2v-2zm4 0h2v2h-2v-2zM7 17h10v2H7v-2z'/%3E%3C/svg%3E");
}

/* --- Brand accent: workspace title --- */

#main-content .calc-workspace__title {
  display: flex;
  align-items: center;
  gap: calc(var(--calc-space-3) * 0.85);
}

#main-content .calc-workspace__title::before {
  content: "";
  flex-shrink: 0;
  width: 1.1875rem;
  height: 1.1875rem;
  background: var(--calc-app-icon) no-repeat center / contain;
}

@media (min-width: 64rem) {
  #main-content .calc-workspace-band {
    padding-block: calc(var(--section-padding-y) * 0.9);
    gap: calc(var(--calc-space-5) * var(--calc-app-scale));
  }

  #main-content .calc-workspace__container,
  #main-content .calc-summary__container {
    padding: var(--calc-app-pad);
  }

  #main-content .calc-workspace__header,
  #main-content .calc-summary__header {
    margin-block-end: var(--calc-app-header-end);
  }

  #main-content .calc-workspace__title,
  #main-content .calc-summary__title {
    margin-block-end: calc(var(--stack-title-body, var(--calc-space-4)) * var(--calc-app-scale));
  }

  #main-content .calc-summary__title {
    margin-block-end: 0;
  }

  #main-content .calc-summary__header::after {
    margin-block-start: calc(var(--stack-title-body, var(--calc-space-4)) * var(--calc-app-scale));
    min-block-size: calc(1.65em * 2 * var(--calc-app-scale));
  }

  #main-content .calc-form {
    gap: var(--calc-app-grid-gap);
  }

  #main-content .calc-form__field {
    gap: var(--calc-app-field-gap);
  }

  #main-content .calc-form__field-head {
    margin-block-end: var(--calc-app-field-gap);
  }

  #main-content .calc-input-card {
    padding: var(--calc-app-card-pad);
  }

  #main-content #calc-form .calc-form__field {
    gap: var(--calc-space-3);
  }

  #main-content #calc-form .calc-form__field-head {
    margin-block-end: 0;
  }

  #main-content #calc-form .calc-form__icon {
    width: 1.875rem;
    height: 1.875rem;
  }

  #main-content .calc-form__icon::after {
    width: 0.6875rem;
    height: 0.6875rem;
    margin: 0.59375rem;
  }

  #main-content .calc-form__control .calc-form__select,
  #main-content .calc-form__control .calc-form__input,
  #main-content .calc-form__control--search .calc-form__select {
    min-block-size: var(--calc-app-control-h);
  }

  #main-content .calc-form__action-bar {
    padding-block-start: var(--calc-app-action-pad);
    gap: calc(var(--calc-space-3) * var(--calc-app-scale));
  }

  #main-content .calc-form__action-bar .calc-form__button {
    min-block-size: var(--calc-app-control-h);
  }

  #main-content .calc-summary__section-title {
    margin-block-end: calc(var(--calc-space-4) * var(--calc-app-scale));
  }

  #main-content .calc-summary__divider {
    margin-block: calc(var(--calc-space-6) * var(--calc-app-scale));
  }

  #main-content .calc-summary__row {
    min-block-size: 2.5rem;
    padding-block: calc(var(--calc-space-3) * var(--calc-app-scale));
    gap: calc(var(--calc-space-5) * var(--calc-app-scale));
  }

  #main-content .calc-summary__section--estimates {
    padding-block-start: calc(var(--calc-space-2) * var(--calc-app-scale));
  }

  #main-content .calc-summary__section--estimates .calc-summary__row {
    min-block-size: 2.75rem;
  }
}

/* ==========================================================================
   32. Phase 12C — Semantic field icons
   ========================================================================== */

#main-content #calc-form .calc-form__field {
  gap: var(--calc-space-3);
}

#main-content #calc-form .calc-form__field-head {
  align-items: baseline;
  gap: var(--calc-space-2);
  margin-block-end: 0;
}

#main-content #calc-form .calc-form__field-copy {
  gap: var(--calc-space-1);
}

#main-content #calc-form .calc-form__label {
  font-weight: var(--calc-weight-bold);
}

#main-content #calc-form .calc-form__icon {
  width: 1.0625rem;
  height: 1.0625rem;
  margin-block-start: 0.08em;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transition: opacity var(--calc-transition-fast, 180ms ease);
}

#main-content #calc-form .calc-form__icon::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  border-radius: 0;
  background-color: transparent;
  background-image: var(--calc-field-icon);
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  transition: background-image var(--calc-transition-fast, 180ms ease), opacity var(--calc-transition-fast, 180ms ease);
}

#main-content #calc-form .calc-input-card:hover .calc-form__icon::after,
#main-content #calc-form .calc-form__field:has(:focus-within) .calc-form__icon::after {
  background-image: var(--calc-field-icon-active, var(--calc-field-icon));
}

#main-content #calc-form .calc-form__field--disabled .calc-form__icon::after {
  opacity: 0.52;
}

/* Industry — factory */

#main-content #calc-form .calc-form__field:has(#calc-industry) .calc-form__icon {
  --calc-field-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F37F0C' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 21h18'/%3E%3Cpath d='M5 21V8l7-4 7 4v13'/%3E%3Cpath d='M9 21v-5h6v5'/%3E%3Ccircle cx='9' cy='10' r='0.75'/%3E%3Ccircle cx='15' cy='10' r='0.75'/%3E%3Ccircle cx='9' cy='14' r='0.75'/%3E%3Ccircle cx='15' cy='14' r='0.75'/%3E%3C/svg%3E");
  --calc-field-icon-active: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23174b71' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 21h18'/%3E%3Cpath d='M5 21V8l7-4 7 4v13'/%3E%3Cpath d='M9 21v-5h6v5'/%3E%3Ccircle cx='9' cy='10' r='0.75'/%3E%3Ccircle cx='15' cy='10' r='0.75'/%3E%3Ccircle cx='9' cy='14' r='0.75'/%3E%3Ccircle cx='15' cy='14' r='0.75'/%3E%3C/svg%3E");
}

/* Application — layers */

#main-content #calc-form .calc-form__field:has(#calc-application) .calc-form__icon {
  --calc-field-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F37F0C' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3 4 7.5 12 12l8-4.5L12 3z'/%3E%3Cpath d='M4 12.5 12 17l8-4.5'/%3E%3Cpath d='M4 17.5 12 22l8-4.5'/%3E%3C/svg%3E");
  --calc-field-icon-active: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23174b71' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3 4 7.5 12 12l8-4.5L12 3z'/%3E%3Cpath d='M4 12.5 12 17l8-4.5'/%3E%3Cpath d='M4 17.5 12 22l8-4.5'/%3E%3C/svg%3E");
}

/* Product — package */

#main-content #calc-form .calc-form__field:has(#calc-product) .calc-form__icon {
  --calc-field-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F37F0C' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l8 4.5v9L12 21l-8-4.5v-9L12 3z'/%3E%3Cpath d='M12 12l8-4.5'/%3E%3Cpath d='M12 12v9'/%3E%3Cpath d='M12 12L4 7.5'/%3E%3C/svg%3E");
  --calc-field-icon-active: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23174b71' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l8 4.5v9L12 21l-8-4.5v-9L12 3z'/%3E%3Cpath d='M12 12l8-4.5'/%3E%3Cpath d='M12 12v9'/%3E%3Cpath d='M12 12L4 7.5'/%3E%3C/svg%3E");
}

/* Width — horizontal dimension */

#main-content #calc-form .calc-form__field:has(#calc-width) .calc-form__icon {
  --calc-field-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F37F0C' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12h16'/%3E%3Cpath d='M7 9v6'/%3E%3Cpath d='M12 10v4'/%3E%3Cpath d='M17 9v6'/%3E%3Cpath d='M6 9 4 12l2 3'/%3E%3Cpath d='M18 9l2 3-2 3'/%3E%3C/svg%3E");
  --calc-field-icon-active: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23174b71' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12h16'/%3E%3Cpath d='M7 9v6'/%3E%3Cpath d='M12 10v4'/%3E%3Cpath d='M17 9v6'/%3E%3Cpath d='M6 9 4 12l2 3'/%3E%3Cpath d='M18 9l2 3-2 3'/%3E%3C/svg%3E");
}

/* Colour — palette */

#main-content #calc-form .calc-form__field:has(#calc-colour) .calc-form__icon {
  --calc-field-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F37F0C' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3a8 8 0 1 0 0 16c1 0 1.4-1.1 1-2-.3-.6-.4-1.3-.4-2.1 0-2 1.6-3.5 3.5-3.5h.2c2.2 0 3.3-2.5 1.7-4A7.8 7.8 0 0 0 12 3z'/%3E%3Ccircle cx='8.5' cy='11' r='1'/%3E%3Ccircle cx='11.5' cy='7.5' r='1'/%3E%3Ccircle cx='15' cy='8' r='1'/%3E%3C/svg%3E");
  --calc-field-icon-active: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23174b71' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3a8 8 0 1 0 0 16c1 0 1.4-1.1 1-2-.3-.6-.4-1.3-.4-2.1 0-2 1.6-3.5 3.5-3.5h.2c2.2 0 3.3-2.5 1.7-4A7.8 7.8 0 0 0 12 3z'/%3E%3Ccircle cx='8.5' cy='11' r='1'/%3E%3Ccircle cx='11.5' cy='7.5' r='1'/%3E%3Ccircle cx='15' cy='8' r='1'/%3E%3C/svg%3E");
}

/* Quantity — ruler */

#main-content #calc-form .calc-form__field:has(#calc-quantity-per-product) .calc-form__icon {
  --calc-field-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F37F0C' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 19 19 5'/%3E%3Cpath d='M7 17l2-2'/%3E%3Cpath d='M11 13l2-2'/%3E%3Cpath d='M15 9l2-2'/%3E%3Cpath d='M6 14l2-2'/%3E%3Cpath d='M10 10l2-2'/%3E%3Cpath d='M14 6l2-2'/%3E%3C/svg%3E");
  --calc-field-icon-active: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23174b71' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 19 19 5'/%3E%3Cpath d='M7 17l2-2'/%3E%3Cpath d='M11 13l2-2'/%3E%3Cpath d='M15 9l2-2'/%3E%3Cpath d='M6 14l2-2'/%3E%3Cpath d='M10 10l2-2'/%3E%3Cpath d='M14 6l2-2'/%3E%3C/svg%3E");
}

/* Monthly production — bar chart */

#main-content #calc-form .calc-form__field:has(#calc-production-quantity) .calc-form__icon {
  --calc-field-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F37F0C' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 20V4'/%3E%3Cpath d='M4 20h16'/%3E%3Cpath d='M8 20V14'/%3E%3Cpath d='M12 20V8'/%3E%3Cpath d='M16 20V11'/%3E%3C/svg%3E");
  --calc-field-icon-active: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23174b71' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 20V4'/%3E%3Cpath d='M4 20h16'/%3E%3Cpath d='M8 20V14'/%3E%3Cpath d='M12 20V8'/%3E%3Cpath d='M16 20V11'/%3E%3C/svg%3E");
}

@media (min-width: 64rem) {
  #main-content #calc-form .calc-form__icon {
    width: 1.0625rem;
    height: 1.0625rem;
  }

  #main-content #calc-form .calc-form__icon::after {
    width: 100%;
    height: 100%;
    margin: 0;
  }
}

/* ==========================================================================
   33. Phase 12D — Enterprise polish (final refinement)
   ========================================================================== */

#main-content .calc-workspace-band {
  --calc-polish-scale: 0.95;
  --calc-control-h: 2.625rem;
  --calc-summary-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23174b71' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='8' height='8' rx='1.5'/%3E%3Crect x='13' y='3' width='8' height='5' rx='1.5'/%3E%3Crect x='3' y='13' width='8' height='8' rx='1.5'/%3E%3Crect x='13' y='10' width='8' height='11' rx='1.5'/%3E%3C/svg%3E");
}

/* --- Procurement Summary identity --- */

#main-content .calc-summary__title {
  display: flex;
  align-items: center;
  gap: calc(var(--calc-space-3) * 0.85);
}

#main-content .calc-summary__title::before {
  content: "";
  flex-shrink: 0;
  width: 1.125rem;
  height: 1.125rem;
  background: var(--calc-summary-icon) no-repeat center / contain;
}

/* --- Label rhythm --- */

#main-content #calc-form .calc-form__field-head {
  gap: 0.625rem;
}

#main-content #calc-form .calc-form__field-copy {
  gap: 0.375rem;
}

#main-content #calc-form .calc-form__icon {
  margin-block-start: 0.06em;
}

#main-content #calc-form .calc-form__icon::after {
  background-size: calc(1.0625rem * var(--calc-icon-optical, 1));
}

/* --- Optical icon normalization --- */

#main-content #calc-form .calc-form__field:has(#calc-industry) .calc-form__icon {
  --calc-icon-optical: 0.94;
}

#main-content #calc-form .calc-form__field:has(#calc-application) .calc-form__icon {
  --calc-icon-optical: 1;
}

#main-content #calc-form .calc-form__field:has(#calc-product) .calc-form__icon {
  --calc-icon-optical: 0.96;
}

#main-content #calc-form .calc-form__field:has(#calc-width) .calc-form__icon {
  --calc-icon-optical: 0.9;
}

#main-content #calc-form .calc-form__field:has(#calc-colour) .calc-form__icon {
  --calc-icon-optical: 0.86;
}

#main-content #calc-form .calc-form__field:has(#calc-quantity-per-product) .calc-form__icon {
  --calc-icon-optical: 0.93;
}

#main-content #calc-form .calc-form__field:has(#calc-production-quantity) .calc-form__icon {
  --calc-icon-optical: 0.95;
}

/* --- Field cards: lighter footprint --- */

#main-content #calc-form {
  gap: calc(var(--calc-space-5) * var(--calc-polish-scale));
}

#main-content #calc-form .calc-form__field {
  gap: calc(var(--calc-space-3) * var(--calc-polish-scale));
}

#main-content #calc-form .calc-input-card {
  padding: calc(var(--calc-space-5) * var(--calc-polish-scale));
  border-color: rgba(23, 75, 113, 0.042);
}

/* --- Workflow hierarchy: first three configuration fields --- */

#main-content #calc-form .calc-input-card:has(#calc-industry),
#main-content #calc-form .calc-input-card:has(#calc-application),
#main-content #calc-form .calc-input-card:has(#calc-product) {
  padding: var(--calc-space-5);
  border-color: rgba(23, 75, 113, 0.078);
}

#main-content #calc-form .calc-input-card:has(#calc-product) {
  margin-block-end: calc(var(--calc-space-1) * 0.75);
}

/* --- Input controls: slightly shorter --- */

#main-content #calc-form .calc-form__control .calc-form__select,
#main-content #calc-form .calc-form__control .calc-form__input,
#main-content #calc-form .calc-form__control--search .calc-form__select {
  min-block-size: var(--calc-control-h);
}

/* --- Action bar: softer secondary --- */

#main-content .calc-form__action-bar .calc-form__button--secondary {
  border-color: rgba(23, 75, 113, 0.14);
  color: color-mix(in srgb, var(--calc-color-primary) 68%, var(--calc-color-text-muted));
  font-weight: var(--calc-weight-medium);
}

#main-content .calc-form__action-bar .calc-form__button--secondary:hover {
  border-color: rgba(23, 75, 113, 0.24);
  background: rgba(23, 75, 113, 0.03);
  color: color-mix(in srgb, var(--calc-color-primary) 78%, var(--calc-color-text-muted));
  box-shadow: none;
}

#main-content .calc-form__action-bar .calc-form__button--secondary:focus-visible {
  outline-color: rgba(23, 75, 113, 0.35);
}

/* --- Summary density & panel balance --- */

#main-content .calc-summary__section-title {
  margin-block-end: calc(var(--calc-space-4) * var(--calc-polish-scale));
}

#main-content .calc-summary__divider {
  margin-block: calc(var(--calc-space-6) * var(--calc-polish-scale));
}

#main-content .calc-summary__row {
  min-block-size: 2.375rem;
  padding-block: calc(var(--calc-space-3) * var(--calc-polish-scale));
  gap: calc(var(--calc-space-5) * var(--calc-polish-scale));
}

#main-content .calc-summary__section--estimates {
  padding-block-start: calc(var(--calc-space-2) * var(--calc-polish-scale));
}

#main-content .calc-summary__section--estimates .calc-summary__row {
  min-block-size: 2.625rem;
}

@media (min-width: 64rem) {
  #main-content .calc-workspace-band {
    --calc-app-control-h: 2.75rem;
  }

  #main-content .calc-form {
    gap: calc(var(--calc-app-grid-gap) * var(--calc-polish-scale));
  }

  #main-content .calc-workspace__container,
  #main-content .calc-summary__container {
    padding: calc(var(--calc-app-pad) * var(--calc-polish-scale));
  }

  #main-content .calc-workspace__header,
  #main-content .calc-summary__header {
    margin-block-end: calc(var(--calc-app-header-end) * var(--calc-polish-scale));
  }

  #main-content #calc-form .calc-input-card {
    padding: calc(var(--calc-app-card-pad) * var(--calc-polish-scale));
  }

  #main-content #calc-form .calc-input-card:has(#calc-industry),
  #main-content #calc-form .calc-input-card:has(#calc-application),
  #main-content #calc-form .calc-input-card:has(#calc-product) {
    padding: var(--calc-app-card-pad);
    border-color: rgba(23, 75, 113, 0.078);
  }

  #main-content #calc-form .calc-form__control .calc-form__select,
  #main-content #calc-form .calc-form__control .calc-form__input,
  #main-content #calc-form .calc-form__control--search .calc-form__select {
    min-block-size: var(--calc-control-h);
  }

  #main-content .calc-form__action-bar {
    padding-block-start: calc(var(--calc-app-action-pad) * var(--calc-polish-scale));
  }

  #main-content .calc-form__action-bar .calc-form__button--primary {
    min-block-size: var(--calc-app-control-h);
  }

  #main-content .calc-form__action-bar .calc-form__button--secondary {
    min-block-size: var(--calc-app-control-h);
  }

  #main-content .calc-summary__section-title {
    margin-block-end: calc(var(--calc-space-4) * var(--calc-app-scale) * var(--calc-polish-scale));
  }

  #main-content .calc-summary__divider {
    margin-block: calc(var(--calc-space-6) * var(--calc-app-scale) * var(--calc-polish-scale));
  }

  #main-content .calc-summary__row {
    min-block-size: 2.375rem;
    padding-block: calc(var(--calc-space-3) * var(--calc-app-scale) * var(--calc-polish-scale));
    gap: calc(var(--calc-space-5) * var(--calc-app-scale) * var(--calc-polish-scale));
  }

  #main-content .calc-summary__section--estimates {
    padding-block-start: calc(var(--calc-space-2) * var(--calc-app-scale) * var(--calc-polish-scale));
  }

  #main-content .calc-summary__section--estimates .calc-summary__row {
    min-block-size: 2.625rem;
  }
}

/* ==========================================================================
   34. Phase 13A — Calculation breakdown (engineering report)
   ========================================================================== */

#main-content .calc-breakdown .calc-section__intro {
  margin-block-end: var(--calc-space-5);
  max-width: 52ch;
}

/* --- Flat report shell (no nested card stack) --- */

#main-content .calc-breakdown .calc-breakdown__details {
  border: 1px solid rgba(23, 75, 113, 0.08);
  border-radius: var(--calc-radius-md);
  background: var(--calc-color-surface);
  box-shadow: none;
}

#main-content .calc-breakdown .calc-breakdown__summary {
  min-block-size: auto;
  padding: var(--calc-space-3) var(--calc-space-4);
  font-size: var(--calc-text-small);
  font-weight: var(--calc-weight-semibold);
  color: var(--calc-color-primary);
  border-block-end: 1px solid rgba(23, 75, 113, 0.06);
}

#main-content .calc-breakdown .calc-breakdown__details[open] .calc-breakdown__summary {
  border-block-end-color: rgba(23, 75, 113, 0.06);
}

#main-content .calc-breakdown .calc-breakdown__panel {
  padding: var(--calc-space-3) var(--calc-space-4) var(--calc-space-4);
}

#main-content .calc-breakdown__empty,
#main-content .calc-breakdown__error {
  padding: var(--calc-space-4);
  border: 1px dashed rgba(23, 75, 113, 0.12);
  border-radius: var(--calc-radius-sm);
  background: transparent;
}

/* --- Compact report modules --- */

#main-content .calc-breakdown__content {
  display: grid;
  gap: 0;
}

#main-content .calc-breakdown__step {
  padding-block: var(--calc-space-3);
  padding-inline: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  border-block-end: 1px solid rgba(23, 75, 113, 0.06);
}

#main-content .calc-breakdown__step:first-child {
  padding-block-start: 0;
}

#main-content .calc-breakdown__step:last-child {
  padding-block-end: 0;
  border-block-end: none;
}

#main-content .calc-breakdown__section-title {
  margin-block-end: var(--calc-space-2);
  padding-block-end: var(--calc-space-2);
  border-block-end: 1px solid rgba(23, 75, 113, 0.06);
  font-size: var(--calc-text-body);
  font-weight: var(--calc-weight-bold);
  letter-spacing: -0.012em;
  color: var(--calc-color-text);
}

#main-content .calc-breakdown__definition-list {
  gap: var(--calc-space-2);
  margin: 0;
}

/* --- Engineering label → formula --- */

#main-content .calc-breakdown__step:not(:last-child) .calc-breakdown__definition-list {
  gap: var(--calc-space-1);
}

#main-content .calc-breakdown__step:not(:last-child) .calc-breakdown__term {
  margin: 0;
  font-size: var(--calc-text-caption);
  font-weight: var(--calc-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--calc-color-text-muted);
}

#main-content .calc-breakdown__step:not(:last-child) .calc-breakdown__detail,
#main-content .calc-breakdown__step:not(:last-child) .calc-breakdown__detail--result {
  margin: 0;
  padding: var(--calc-space-2) var(--calc-space-3);
  border: 1px solid rgba(23, 75, 113, 0.08);
  border-radius: var(--calc-radius-sm);
  background: var(--calc-color-surface-soft);
  box-shadow: none;
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
  font-size: clamp(0.875rem, 0.84rem + 0.15vw, 0.96875rem);
  font-weight: var(--calc-weight-medium);
  line-height: 1.45;
  text-align: start;
  color: var(--calc-color-text);
  font-variant-numeric: tabular-nums;
}

/* --- Packing Information: compact specification panel --- */

#main-content .calc-breakdown__step:last-child .calc-breakdown__section-title {
  margin-block-end: var(--calc-space-3);
}

#main-content .calc-breakdown__step:last-child .calc-breakdown__definition-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  column-gap: var(--calc-space-4);
  row-gap: var(--calc-space-2);
  padding: var(--calc-space-3) var(--calc-space-4);
  border: 1px solid rgba(23, 75, 113, 0.08);
  border-radius: var(--calc-radius-sm);
  background: var(--calc-color-surface-soft);
}

#main-content .calc-breakdown__step:last-child .calc-breakdown__term {
  margin: 0;
  font-size: var(--calc-text-small);
  font-weight: var(--calc-weight-medium);
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--calc-color-text-secondary);
}

#main-content .calc-breakdown__step:last-child .calc-breakdown__term::after {
  content: "";
  display: inline-block;
  width: 0.35rem;
}

#main-content .calc-breakdown__step:last-child .calc-breakdown__detail,
#main-content .calc-breakdown__step:last-child .calc-breakdown__detail--result {
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  font-family: inherit;
  font-size: var(--calc-text-body);
  font-weight: var(--calc-weight-semibold);
  line-height: 1.4;
  text-align: end;
  color: var(--calc-color-text);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 64rem) {
  #main-content .calc-breakdown .calc-section__intro {
    margin-block-end: var(--calc-space-4);
  }

  #main-content .calc-breakdown .calc-breakdown__panel {
    padding: var(--calc-space-3) var(--calc-space-5) var(--calc-space-4);
  }

  #main-content .calc-breakdown__step {
    padding-block: var(--calc-space-2);
  }

  #main-content .calc-breakdown__step:last-child .calc-breakdown__definition-list {
    row-gap: calc(var(--calc-space-2) - 1px);
    padding: var(--calc-space-3);
  }
}

/* ==========================================================================
   35. Phase 13B — Premium engineering report refinement
   ========================================================================== */

#main-content .calc-breakdown {
  --calc-report-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F37F0C' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='3' width='16' height='18' rx='2'/%3E%3Cpath d='M8 8h8'/%3E%3Cpath d='M8 12h5'/%3E%3Cpath d='M8 16h6'/%3E%3Cpath d='M14 16h2'/%3E%3C/svg%3E");
}

/* --- Seamless handoff from Results Dashboard --- */

#main-content .calc-breakdown .calc-section__intro {
  margin-block-end: var(--calc-space-4);
}

/* --- Accordion: report title trigger --- */

#main-content .calc-breakdown .calc-breakdown__details {
  border-color: rgba(23, 75, 113, 0.06);
  border-radius: 10px;
}

#main-content .calc-breakdown .calc-breakdown__summary {
  padding: 0.625rem var(--calc-space-4);
  font-size: var(--calc-text-body);
  font-weight: 600;
  line-height: 1.35;
  color: var(--calc-color-text);
  border-block-end: 1px solid rgba(23, 75, 113, 0.06);
  transition: none;
}

#main-content .calc-breakdown .calc-breakdown__summary:hover {
  background: transparent;
  color: var(--calc-color-text);
}

#main-content .calc-breakdown .calc-breakdown__panel {
  padding: var(--calc-space-3) var(--calc-space-4);
}

/* --- Continuous report flow --- */

#main-content .calc-breakdown__step:not(:last-child) {
  padding-block: 0;
  border-block-end: 1px solid rgba(23, 75, 113, 0.06);
}

#main-content .calc-breakdown__step + .calc-breakdown__step {
  padding-block-start: 0.375rem;
}

#main-content .calc-breakdown__step:first-child {
  padding-block-start: 0;
}

#main-content .calc-breakdown__step:last-child {
  padding-block: 0.375rem 0 0;
  border-block-end: none;
}

/* --- Block hierarchy: title → label → formula --- */

#main-content .calc-breakdown__step:not(:last-child) .calc-breakdown__section-title {
  display: block;
  margin-block-end: 0.625rem;
  padding-block-end: 0;
  border-block-end: none;
  font-size: var(--calc-text-body);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--calc-color-text);
}

#main-content .calc-breakdown__step:first-child .calc-breakdown__section-title {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

#main-content .calc-breakdown__step:first-child .calc-breakdown__section-title::before {
  content: "";
  flex-shrink: 0;
  width: 1.0625rem;
  height: 1.0625rem;
  background: var(--calc-report-icon) no-repeat center / contain;
}

#main-content .calc-breakdown__step:not(:last-child) .calc-breakdown__definition-list {
  gap: 0;
  margin: 0;
}

#main-content .calc-breakdown__step:not(:last-child) .calc-breakdown__term {
  margin-block-end: 0.375rem;
}

#main-content .calc-breakdown__step:not(:last-child) .calc-breakdown__detail,
#main-content .calc-breakdown__step:not(:last-child) .calc-breakdown__detail--result {
  margin-block-end: 0.75rem;
  padding: 12px 16px;
  border: 1px solid rgba(23, 75, 113, 0.06);
  border-radius: 10px;
  background: #fafafa;
  box-shadow: none;
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
  font-size: clamp(0.875rem, 0.84rem + 0.15vw, 0.96875rem);
  font-weight: var(--calc-weight-medium);
  line-height: 1.45;
  text-align: start;
  color: var(--calc-color-text);
  font-variant-numeric: tabular-nums;
}

/* --- Packing specification table --- */

#main-content .calc-breakdown__step:last-child .calc-breakdown__section-title {
  margin-block-end: var(--calc-space-2);
  padding: 0;
  border: none;
  font-size: var(--calc-text-small);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--calc-color-text-secondary);
}

#main-content .calc-breakdown__step:last-child .calc-breakdown__definition-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  column-gap: var(--calc-space-5);
  row-gap: 0.375rem;
  padding: var(--calc-space-3) var(--calc-space-4);
  border: 1px solid rgba(23, 75, 113, 0.06);
  border-radius: 10px;
  background: var(--calc-color-surface);
}

#main-content .calc-breakdown__step:last-child .calc-breakdown__term {
  margin: 0;
  font-size: var(--calc-text-small);
  font-weight: var(--calc-weight-medium);
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--calc-color-text-secondary);
}

#main-content .calc-breakdown__step:last-child .calc-breakdown__term::after {
  content: none;
}

#main-content .calc-breakdown__step:last-child .calc-breakdown__detail,
#main-content .calc-breakdown__step:last-child .calc-breakdown__detail--result {
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  font-family: inherit;
  font-size: var(--calc-text-body);
  font-weight: var(--calc-weight-semibold);
  line-height: 1.35;
  text-align: end;
  color: var(--calc-color-text);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 64rem) {
  #main-content .calc-breakdown .calc-section__intro {
    margin-block-end: var(--calc-space-3);
  }

  #main-content .calc-breakdown .calc-breakdown__panel {
    padding: var(--calc-space-2) var(--calc-space-4) var(--calc-space-3);
  }

  #main-content .calc-breakdown__step + .calc-breakdown__step {
    padding-block-start: 0.3125rem;
  }

  #main-content .calc-breakdown__step:last-child {
    padding-block-start: 0.5rem;
  }

  #main-content .calc-breakdown__step:not(:last-child) .calc-breakdown__detail,
  #main-content .calc-breakdown__step:not(:last-child) .calc-breakdown__detail--result {
    margin-block-end: 0.625rem;
  }

  #main-content .calc-breakdown__step:last-child .calc-breakdown__definition-list {
    row-gap: 0.3125rem;
    padding: var(--calc-space-2) var(--calc-space-3);
  }
}

/* ==========================================================================
   36. Phase 13C — Calculation breakdown editorial refinement
   ========================================================================== */

#main-content .calc-breakdown__title {
  margin-block-end: 0.625rem;
}

#main-content .calc-breakdown .calc-section__intro {
  margin-block-start: 0;
  margin-block-end: var(--calc-space-2);
  max-width: 48ch;
  text-align: start;
}

#main-content .calc-breakdown__details {
  margin-block-start: 0;
}

@media (min-width: 75rem) {
  #main-content .calc-breakdown .calc-section__intro {
    max-width: 96ch;
  }
}

/* ==========================================================================
   37. Phase 13D — Editorial breathing space (description → report)
   ========================================================================== */

#main-content .calc-breakdown .calc-section__intro {
  margin-block-end: calc(var(--calc-space-2) + var(--calc-space-6));
}

#main-content .calc-breakdown__details {
  margin-block-start: 0;
}

/* ==========================================================================
   38. Phase 13B (Conclusion) — Premium engineering report conclusion
   ========================================================================== */

#main-content .calc-breakdown__conclusion {
  display: grid;
  gap: 0;
  margin-block-start: var(--calc-space-5);
}

#main-content .calc-breakdown__step:last-child {
  margin-block-end: 0;
}

#main-content .calc-breakdown__note {
  margin: 0;
  padding: var(--calc-space-4);
  border: 1px solid var(--calc-color-border);
  border-radius: var(--calc-radius-md);
  background: #fafafa;
}

#main-content .calc-breakdown__note-title {
  margin: 0 0 var(--calc-space-4);
  font-size: var(--calc-text-small);
  font-weight: var(--calc-weight-semibold);
  line-height: 1.35;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--calc-color-text-secondary);
}

#main-content .calc-breakdown__note-body {
  margin: 0;
  font-size: var(--calc-text-small);
  font-weight: var(--calc-weight-medium);
  line-height: var(--calc-lh-body);
  color: var(--calc-color-text-secondary);
}

#main-content .calc-breakdown .calc-breakdown__actions.calc-form__action-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: var(--calc-space-3);
  margin: 0;
  margin-block-start: var(--calc-space-5);
  padding-block: var(--calc-space-4) var(--calc-space-3);
  padding-inline: 0;
  border-block-start: 1px solid var(--calc-color-border);
  background: transparent;
  box-shadow: none;
}

#main-content .calc-breakdown .calc-breakdown__actions .calc-form__button {
  flex: 1 1 0;
  width: auto;
  min-block-size: 3rem;
}

#main-content .calc-breakdown .calc-breakdown__panel:has(.calc-breakdown__conclusion:not([hidden])) {
  padding-block-end: var(--calc-space-4);
}

/* ==========================================================================
   39. Phase 14A — Separate engineering report from manufacturing RFQ
   ========================================================================== */

/* --- Chapter bands: soft surface, white workflow containers --- */

#main-content .calc-breakdown {
  background: var(--calc-color-surface-soft);
  padding-block-start: var(--section-padding-y);
  padding-block-end: var(--calc-space-4);
}

#main-content .calc-rfq {
  padding-block-start: var(--calc-space-8);
  padding-block-end: var(--section-padding-y);
}

/* --- Engineering Report: complete independent container --- */

#main-content .calc-breakdown__container {
  padding: var(--calc-space-7);
  border: 1px solid var(--calc-color-border);
  border-radius: var(--calc-radius-xl);
  background: var(--calc-color-surface);
  box-shadow: none;
}

#main-content .calc-breakdown .calc-breakdown__details {
  border-color: rgba(23, 75, 113, 0.06);
  border-radius: var(--calc-radius-md);
  background: var(--calc-color-surface);
  box-shadow: none;
}

/* --- Manufacturing RFQ: new chapter container --- */

#main-content .calc-rfq__container {
  padding: var(--calc-space-8) var(--calc-space-7) var(--calc-space-7);
  border: 1px solid var(--calc-color-border);
  border-radius: var(--calc-radius-xl);
  background: var(--calc-color-surface);
  box-shadow: none;
}

#main-content .calc-rfq__card {
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

/* --- RFQ section hierarchy --- */

#main-content .calc-rfq__title {
  margin-block-end: var(--calc-space-5);
}

#main-content .calc-rfq__description {
  margin-block-end: var(--calc-space-8);
}

#main-content .calc-rfq__empty {
  padding: var(--calc-space-6) 0;
}

#main-content .calc-rfq__review-body {
  gap: 0;
}

#main-content .calc-rfq__section {
  padding: var(--calc-space-6) 0;
  border-block-end: 1px solid var(--calc-color-divider);
}

#main-content .calc-rfq__section:last-of-type {
  border-block-end: 0;
}

#main-content .calc-rfq__section-title {
  margin-block-end: var(--calc-space-5);
}

/* --- Customer Information: new workflow entry --- */

#main-content .calc-rfq__form {
  padding: var(--calc-space-8) 0 0;
  border-block-start: 1px solid var(--calc-color-divider);
}

#main-content .calc-rfq__form .calc-rfq__section {
  padding-block: 0;
  border-block-end: 0;
}

#main-content .calc-rfq__form .calc-rfq__section-title {
  margin-block-end: var(--calc-space-5);
}

#main-content .calc-rfq__form .calc-rfq__description {
  margin-block-end: var(--calc-space-7);
}

/* --- Actions belong to Engineering Report only --- */

#main-content .calc-rfq__actions {
  display: none;
}

@media (max-width: 47.99rem) {
  #main-content .calc-breakdown .calc-breakdown__actions {
    flex-direction: column;
  }

  #main-content .calc-breakdown .calc-breakdown__actions .calc-form__button {
    width: 100%;
  }

  .calc-rfq__definition-list {
    grid-template-columns: 1fr;
    gap: var(--calc-space-1);
  }

  .calc-rfq__term {
    padding-block-end: 0;
  }

  .calc-rfq__detail {
    padding-block-start: 0;
    padding-block-end: var(--calc-space-4);
    text-align: start;
    border-block-end: 1px solid var(--calc-color-divider);
  }

  .calc-rfq__detail:last-child {
    border-block-end: 0;
  }

  .calc-rfq__actions {
    flex-direction: column;
  }

  .calc-rfq__actions .calc-form__button {
    width: 100%;
  }
}

/* ==========================================================================
   40. Phase 15A — Manufacturing RFQ form presentation
   ========================================================================== */

#main-content .calc-rfq__form .calc-rfq__section {
  max-width: 72.5%;
  margin-inline: auto;
}

#main-content .calc-rfq__form .calc-rfq__section-title {
  margin-block-end: var(--calc-space-4);
}

#main-content .calc-rfq__form .calc-rfq__description {
  margin-block-end: clamp(3rem, 2.75rem + 0.5vw, 3.5rem);
  max-width: none;
}

#main-content .calc-rfq__customer-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--calc-space-5);
  row-gap: 1.375rem;
}

#main-content .calc-rfq__customer-form .calc-form__field {
  gap: var(--calc-space-2);
  margin: 0;
}

#main-content .calc-rfq__customer-form .calc-form__field--full,
#main-content .calc-rfq__customer-form > .calc-form__error,
#main-content .calc-rfq__customer-form > .calc-rfq__submit-bar,
#main-content .calc-rfq__customer-form > .calc-rfq__confidence {
  grid-column: 1 / -1;
}

#main-content .calc-rfq__customer-form .calc-form__label {
  font-weight: var(--calc-weight-medium);
  color: var(--calc-color-text-secondary);
}

#main-content .calc-rfq__customer-form .calc-form__label span[aria-hidden="true"] {
  color: var(--calc-color-accent);
  font-weight: var(--calc-weight-semibold);
}

#main-content .calc-rfq__customer-form .calc-form__input,
#main-content .calc-rfq__customer-form .calc-form__select {
  min-block-size: 3.375rem;
  padding-block: 0.8125rem;
  padding-inline: var(--calc-space-4);
}

#main-content .calc-rfq__customer-form .calc-form__control .calc-form__input,
#main-content .calc-rfq__customer-form .calc-form__control .calc-form__select {
  min-block-size: 3.375rem;
}

#main-content .calc-rfq__customer-form .calc-rfq__message {
  min-block-size: 7.5rem;
  padding-block: var(--calc-space-3);
  line-height: var(--calc-lh-body);
  resize: vertical;
}

#main-content .calc-rfq__customer-form .calc-form__error {
  margin: 0;
  min-block-size: 0;
}

#main-content .calc-rfq__customer-form .calc-form__error[hidden] {
  display: none;
}

#main-content .calc-rfq__customer-form > .calc-form__error:not([hidden]) {
  text-align: center;
}

#main-content .calc-rfq__customer-form .calc-rfq__submit-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-block-start: 2.25rem;
  margin-block-end: 0;
  padding-block-start: 0;
  border-block-start: 0;
}

#main-content .calc-rfq__customer-form .calc-rfq__submit-bar .calc-form__button {
  flex: 0 0 auto;
  width: min(100%, 21.25rem);
  min-inline-size: 20rem;
  max-inline-size: 22.5rem;
  margin-inline: auto;
}

#main-content .calc-rfq__confidence {
  margin: var(--calc-space-3) 0 0;
  text-align: center;
  font-size: var(--calc-text-caption);
  line-height: var(--calc-lh-small);
  color: var(--calc-color-text-muted);
}

@media (max-width: 47.99rem) {
  #main-content .calc-rfq__form .calc-rfq__section {
    max-width: 100%;
  }

  #main-content .calc-rfq__customer-form {
    grid-template-columns: 1fr;
    row-gap: var(--calc-space-5);
  }

  #main-content .calc-rfq__customer-form .calc-rfq__submit-bar .calc-form__button {
    width: 100%;
    min-inline-size: 0;
    max-inline-size: none;
  }
}

/* ==========================================================================
   41. Phase 15 — Calculator UI consistency (Export page components)
   ========================================================================== */

/* --- Shared container width across tail workflow sections --- */

#main-content .calc-results__container,
#main-content .calc-breakdown__container,
#main-content .calc-rfq__container,
#main-content #calc-faq .industry-container,
#main-content #calc-cta .industry-container {
  width: 100%;
  max-width: var(--mph-content-max, var(--desktop-content-max));
  margin-inline: auto;
}

/* --- Section rhythm: Manufacturing RFQ → FAQ → Final CTA --- */

#main-content .calc-rfq {
  padding-block-start: var(--calc-space-8);
  padding-block-end: clamp(3rem, 2.5rem + 2vw, 5.5rem);
}

#main-content #calc-faq.industry-faq {
  margin-block: 0;
  padding-block: clamp(3rem, 2.5rem + 2vw, 5.5rem);
  padding-inline: var(--section-padding-x);
  background: var(--calc-color-surface);
}

#main-content #calc-faq .industry-section-header {
  margin-block-end: clamp(2rem, 1.75rem + 1vw, 3rem);
}

#main-content #calc-faq .industry-section-header .calc-section__intro {
  margin-block-start: 0;
  margin-block-end: 0;
  margin-inline: 0;
  max-width: 48ch;
  text-align: start;
}

#main-content #calc-faq .industry-eyebrow {
  margin: 0 0 var(--stack-eyebrow-title);
  font-size: var(--text-caption);
  font-weight: var(--font-semibold);
  line-height: var(--lh-caption);
  letter-spacing: var(--ls-overline);
  text-transform: uppercase;
  color: var(--color-eyebrow-accessible, var(--main-color-one));
}

#main-content #calc-faq .industry-title {
  margin: 0 0 var(--stack-title-body);
  max-width: 760px;
  font-size: clamp(var(--text-heading-l), 4.2vw, 52px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: #252525;
}

#main-content #calc-faq .industry-faq__list {
  margin-block-start: 0;
}

#main-content #calc-faq .industry-faq__item strong {
  font-weight: var(--calc-weight-semibold);
  color: var(--calc-color-text);
}

#main-content [data-page-profile="PAGE-EXPORT"] .export-flagship__partnership {
  margin-block: 0;
  padding-block: clamp(3rem, 2.5rem + 2vw, 5.5rem);
  padding-inline: var(--section-padding-x);
  background: var(--calc-color-surface-soft);
}

#main-content [data-page-profile="PAGE-EXPORT"] .export-flagship__partnership-intro {
  flex: 1 1 18rem;
  max-width: 42rem;
}

#main-content [data-page-profile="PAGE-EXPORT"] .export-flagship__partnership-title {
  color: #fff;
}

#main-content [data-page-profile="PAGE-EXPORT"] .export-flagship__partnership-lead {
  margin: var(--space-4) 0 0;
  max-width: 52ch;
  font-size: var(--text-body-l);
  line-height: var(--lh-body);
  color: rgba(255, 255, 255, 0.88);
}

@media (min-width: 48rem) and (max-width: 74.99rem) {
  #main-content .calc-rfq,
  #main-content #calc-faq.industry-faq,
  #main-content [data-page-profile="PAGE-EXPORT"] .export-flagship__partnership {
    padding-block: clamp(3.5rem, 3rem + 1.5vw, 4rem);
  }
}

@media (max-width: 47.99rem) {
  #main-content .calc-rfq,
  #main-content #calc-faq.industry-faq,
  #main-content [data-page-profile="PAGE-EXPORT"] .export-flagship__partnership {
    padding-block: 3rem;
  }
}